Researchers agreed that the study of new treatments for heart attack patients was extremely important but more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than the balloon procedure by itself.

A. more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than
B. more research was needed for determining whether or not balloon angioplasty preceded by ultrasound is any better for heart attack patients than is
C. that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than
D. that more research was needed to determine that balloon angioplasty preceded with ultrasound was any better for heart attack patients than
E. that more research was needed for determining that balloon angioplasty preceded by ultrasound is or is not any better for heart attack patients than is

AIM GMAT wrote:

Researchers agreed that the study of new treatments for heart attack patients was extremely important but more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than the balloon procedure by itself.

A. more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than
B. more research was needed for determining whether or not balloon angioplasty preceded by ultrasound is any better for heart attack patients than is
C. that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than
D. that more research was needed to determine that balloon angioplasty preceded with ultrasound was any better for heart attack patients than
E. that more research was needed for determining that balloon angioplasty preceded by ultrasound is or is not any better for heart attack patients than is

I didnt understand the question you posted , so posting the version i got , IMO C.

AIM GMAT wrote:Thanks Atul , agree that BUT should not be underlined . Edited the same in my previous post .

What paper test are you talking about ? Is it good to attempt for papaer test ? I too have some but i dnt attempt them bcoz i dnt have any algorith to judge my score after attempting those and also they paper dont give stress as computer screen does heh . Definately paper test person like me would perform awesomely well ... [i am addicted to cross check word in dictionary for what they mean and how they can be usedin sentence , SC has permeated life , i did check awesomly which i used spontaneously ]. I guess this must be happenening with many pppl around and i am not maniac .

venmic wrote:Researchers agreed that the study of new treatments for heart attack patients was extremely important but
more research was needed to determine that balloon angioplasty preceded with ultrasound was or was
__________________________________________________________________________________________________
not any better for heart attack patients than
_____________________________________________
the balloon procedure by itself.

A. more research was needed to determine that balloon angioplasty preceded with
ultrasound was or was not any better for heart attack patients than
B. more research was needed for determining whether or not balloon angioplasty
preceded by ultrasound is any better for heart attack patients than is
C. that more research was needed to determine whether balloon angioplasty preceded by
ultrasound is any better for heart attack patients than
D. that more research was needed to determine that balloon angioplasty preceded with
ultrasound was any better for heart attack patients than
E. that more research was needed for determining that balloon angioplasty preceded by
ultrasound is or is not any better for heart attack patients than is