补充1-8 2-27

8.     A majority of the international journalists surveyed view nuclear power stations as unsafe at present but that they will, or could, be made sufficiently safe in the future.

(A) that they will, or could,

(B) that they would, or could

(C) they will be or could,

(D) think that they will be or could（D）

(E) think the power stations would or could

这道题我选E，大全的解释对正确答案也有疑问请大家提供分析的思路

27.   In 1929 relatively small declines in the market ruined many speculators having bought on margin; they had to sell, and their selling pushed other investors to the brink.

(A) speculators having bought on margin; they had to sell, and

(B) speculators who had bought on margin; having had to sell,

(C) speculators who had bought on margin; they had to sell, and

(D) speculators, those who had bought on margin; these speculators had to sell, and（C）

(E) speculators, who, having bought on margin and having to sell,

这道题我选D。我认为C的代词指代上有问题，请大家指点

我看了一下  你的疑惑应该在这有解答吧

http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=27505&page=1