Princeton vs. OG-183的疑惑
前几天在做princeton模考时碰到一道题：
Renowned for both his wealth and his eccentricity, industrialist Howard Hughes left behind a series of wills and codicils of staggering complexity, one that took teams of lawyers and squabbling beneficiaries years to sort it out. （B）
A. took teams of lawyers and squabbling beneficiaries years to sort it out
B. took teams of lawyers and squabbling beneficiaries years to sort out
OG上
183. Archaeologists in LACE w:st="on">IrelandLACE> believe that a recently discovered chalice, which dates from the eighth century, was probably buried to keep from being stolen by invaders.
(A) to keep from
(B) to keep it from
(C) to avoid
(D) in order that it would avoid（B）
(E) in order to keep from
两个句子里都是表示主语被人。。。，为什么答案却相反呢？？？ | 
