Çözüldü Sentence Completion - Grammar

Neither visiting the school nor spending time with the students and teachers _________ the manner in which education is conducted in the local district.

A) has prevented Mr. Rannalli to criticize
B) have prevented Mr. Ranalli criticising
C) have kept Mr. Ranalli from expressing opinions about
D) has kept Mr. Ranalli expressing opinions of
E) has prevented Mr. Ranalli from criticising

Correct Choice: E
A) Idiom error. In standard usage, the phrase should be from criticising.
B) Subject-verb agreement. Spending is singular; have is plural.
C) Subject-verb agreement. Spending is singular; have is plural.
D) Idiom error. In standard usage, the phrase is from expressing.

Reference: Barron's SAT II Writing, 2001, pages 276 and 288-289