请教主谓一致的一道题？

25.   Seeming to be one of the few corporations diversified enough to survive the recession, many shareholders ignored the drop in third-quarter profits and invested even more heavily in Emco.

(A) Seeming to be

(B) As if

(C) In that they seemed

(D) Although it seemed（E）

(E) Because it seemed to be

请问这里的it和shareholders 是不是有主谓不一致的问题？

还是it 指的是shareholders他们的那一个公司？

thank you!

i agree with rakesun