Sentence correction

[xyin]

The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
(Prep Gmat verbal)
A. weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had
B. weather conditions that cannot be foreseen, and pilot errors often cause much larger deposits of spray than
C. unforeseeable weather conditions, and pilot errors are the cause of much larger deposits of spray than they had
D. weather conditions that are not foreseeable, and pilot errors often cause much larger deposits of spray than
E. unforeseeable weather conditions, and pilot errors often cause much larger deposits of spray than they had

Hello, Dear Manhattan professors, I am really confused about choice E and the correct answer B. I think E is more concise and clear than B. So, How can eliminate the choice E? Thanks very much.

[callmepret]

Eliminate all the options with "they had anticipated" because they has no clear referent

A,C and E are out.

The fight remain between B and D.

D uses "unforseeable" which is an unidiomatic construction. To be concise more elaborate, I present these two sentences.

1. The fog is unable to be seen by the people ir The fog is incapable of being seen by people
2. The fog cannot be seen by people

[jnelson0612]

Please repost this in the GMAT Prep Verbal forum.