[求助] OG语文 P238 30题

Thomas Eakins' powerful style and his choices of subject----the advances in modern surgery, the discipline of sport, the strains of individuals in tension with society or even with themselves----was as disturbing to his own time as it is compelling for ours.

A) was as disturbing to his own time as it is

B) were as disturbing to his own time as they are

C) has been as disturbing in his own time as they are

D) had been as disturbing in his own time as it was

E) have been as disturbing in his own time as

请问为什么是B而不是E

这里为什么不能用现在完成时呢？？

谢谢！

Thomas Eakins' powerful style and his choices of subject----the
advances in modern surgery, the discipline of sport, the strains of
individuals in tension with society or even with themselves----was as disturbing to his own time as it is compelling for ours.

1. correctiveness:

his own time是是过去的时代，对过去时代的影响没道理用现在完成时。要用也是过去完成时。 不能选