A vault was so securely constructed and reinforced in the san Francisco bank that even a magnitude seven earthquake did not disturb the vault's contents.
b. so securely was a vault construction and reinforcement in the sanfrancisco bank
c. it was so secure that a vault was constructed and reinforced in the sanfrancisco bank
d. a vault that was so securely constructed and reinforced in the sanfrancisco bank
e. constructed and reinforced so securely in th esan francsco bank was a vault that
QA is A but I chose E. where did i go wrong?
Very easy to answer this question. Alternative E use backward sentence,which is not needed. "backward sentence" is used when the author intends to highlight something. thereby, E changes the meaning of the original sentence. In addition, a very good skill in cracking GMAT
SC is that you have to bear in mind if the original sentence is right, not change it.