885 section 06 10

10.   Some buildings that were destroyed and heavily damaged in the earthquake last year were constructed in violation of the city’s building code.

(A) Some buildings that were destroyed and heavily damaged in the earthquake last year were

(B) Some buildings that were destroyed or heavily damaged in the earthquake last year had been

(C) Some buildings that the earthquake destroyed and heavily damaged last year have been

(D) Last year the earthquake destroyed or heavily damaged some buildings that have been

(E) Last year some of the buildings that were destroyed or heavily damaged in the earth quake had been

答案是B，为什么E不对？some 和some of 有什么不同？

E 的逻辑意思不合理，，说 去年 buildings 。。 had been constructed， 而且 last year 由 原来的 从句状语 变成了 主句状语