Using a computer model

[kvcpk]

Using a computer model to estimate future productivity, the accuracy of such an estimate is higher than that achieved using more subjective methods.

A. Using a computer model to estimate future productivity
B. By the use of a computer model to estimate future productivity
C. If a computer model is used to estimate future productivity
D. With a computer model for estimating future productivity
E. Estimating future productivity with a computer model

I am confused with the rules.. I am unable to apply the right ones at the right place.
Please help me with a good source which has various application of rules clearly explained.

Praveen

[hardik.jadeja]

IMO C.

A) Modifier issue. The accuracy cant use the computer model
B) Awkward and wordy
C) Correct
D) Awkward and wordy
E) Modifier issue. The accuracy cant estimate future productivity

[RumpelThickSkin]

Using a computer model to estimate future productivity, the accuracy of such an estimate is higher than that achieved using more subjective methods.

A. Using a computer model to estimate future productivity
B. By the use of a computer model to estimate future productivity
C. If a computer model is used to estimate future productivity
D. With a computer model for estimating future productivity
E. Estimating future productivity with a computer model

I am confused with the rules.. I am unable to apply the right ones at the right place.
Please help me with a good source which has various application of rules clearly explained.

Praveen

IMO C. Solved this based on meaning clarity / style. A,B,D & E just do not make sense.

[kvcpk]

Isn't there any rule in particular to approach this problem?