介詞后可接that從句嗎

有這樣一道題：

We were all worried over _______ you were sick.

A. that B. which

C. what D. the fact that

【分析】答案應選 D，但很容易誤選 A 或 B。按英語習慣，除except, but 等極個別介詞外，英語介詞后通常不能直接跟 that 從句作賓語。遇此情況，通常是在 that 從句前加上 the fact，此時 the fact 用作介詞賓語，而其后 that 從句則用作 the fact 的同位語。請看類似試題（答案選均D）：

(1) They knew nothing about ______ he was a thief.

A. that B. which

C. what D. the fact that

(2) She must face up to _______ she is no longer young.

A. that B. which

C. what D. the fact that

(3) What he said at the meeting referred to _______ he was interested in the project.

A. that B. which

C. what D. the fact that

(4) Their belief is proved by the fact that the death penalty prevents murder.

A. that B. which

C. what D. the fact that

(5) The writer is not satisfied with _______ buses are too crowded.(from www.網(wǎng)址未加載)

A. that B. which

C. what D. the fact that