Sentence Correction

Although many art patrons can readily differentiate a good debenture from an undesirable one, they are much less expert in distinguishing good paintings and poor ones, authentic art and fakes.

(A) much less expert in distinguishing good paintings and poor ones, authentic art and
(B) far less expert in distinguishing good paintings from poor ones, authentic art from
(C) much less expert when it comes to distinguishing good paintings and poor ones, authentic art from
(D) far less expert in distinguishing good paintings and poor ones, authentic art and
(E) far less the expert when it comes to distinguishing between good painting, poor ones, authentic art, and

This is one of those rare and annoying problems that's almost exclusively testing an idiom. The idiom you want here is "distinguishing X FROM Y." It's VERY unusual on the actual GMAT for a Sentence Correction question to hinge exclusively on an idiom -- just for the record!

Is the OA B ??

(A) much less expert in distinguishing good paintings and poor ones, authentic art and I think in distinguishing should be followed by between
(B) far less expert in distinguishing good paintings from poor ones, authentic art from
(C) much less expert when it comes to distinguishing good paintings and poor ones, authentic art from
parallelism error one of the two idioms distinguish between X and Y or distinguish X from Y should be used.
(D) far less expert in distinguishing good paintings and poor ones, authentic art and Same as first
(E) far less the expert when it comes to distinguishing between good painting, poor ones, authentic art, and Breaks the idiom.

IMO B

OA: B

But, isn't there something wrong with the sentence?

Although many art patrons can readily differentiate a good debenture from an undesirable one, they are far less expert in distinguishing good paintings from poor ones, authentic art from fakes

It seems like a run-on sentence. Don't we need a and here?

robosc9 wrote:But, isn't there something wrong with the sentence?

Although many art patrons can readily differentiate a good debenture from an undesirable one, they are far less expert in distinguishing good paintings from poor ones, authentic art from fakes

It seems like a run-on sentence. Don't we need a and here?

thats chorrect there shoulb be AND there

krishnasty wrote:Although many art patrons can readily differentiate a good debenture from an undesirable one, they are much less expert in distinguishing good paintings and poor ones, authentic art and fakes.

(A) much less expert in distinguishing good paintings and poor ones, authentic art and
(B) far less expert in distinguishing good paintings from poor ones, authentic art from
(C) much less expert when it comes to distinguishing good paintings and poor ones, authentic art from
(D) far less expert in distinguishing good paintings and poor ones, authentic art and
(E) far less the expert when it comes to distinguishing between good painting, poor ones, authentic art, and

distinguishing X from Y is correct!
IMO:B

IMO B.

Point very well raised about and. However, remember the rule to have the best choice not the ideal one.

But conclusively, GMAT would not want to leave these kind of grammatical error for sure. As this might make a competent GMAT student not to opt for this and other possible choice.

gunjan1208 wrote:IMO B.

Point very well raised about and. However, remember the rule to have the best choice not the ideal one.

But conclusively, GMAT would not want to leave these kind of grammatical error for sure. As this might make a competent GMAT student not to opt for this and other possible choice.

Hmm....guess you are right! Thanks!