[求助]

885section c

9.     A shy, religious-minded publisher who had married a duke’s daughter, Harold Macmillan’s rise to the position of Prime Minister in 1957 surprised many, though Churchill had since the 1930s been extolling Macmillan’s courage.

(A) Harold Macmillan’s rise to the position of Prime Minister in 1957 surprised many

(B) Harold Macmillan’s rise in 1957 to the position of Prime Minister surprised many

(C) Harold Macmillan’s becoming Prime Minister in 1957 surprised many

(D) Harold Macmillan surprised many by rising to the position of Prime Minister in 1957（D）

(E) the position of Prime Minister attained by Harold Macmillan in 1957 surprised many

为什么选D,不是很懂,请指教下...

因为前面的同位语,A shy, religious-minded publisher 表明主句主语是一个人，只有D的主语是一个人。

CD上有下载大全注释的，推荐MM。