She locked her room a thief would break into it.A. in case thatB. for fear thatC. in case

问题补充：

She locked her room a thief would break into it.

A. in case that

B. for fear that

C. in case of

D. for fear of

答案：

A. in case that

(答案→)B. for fear that

C. in case of

D. for fear of

解析：根据句子结构，因介词of不能引导句子，从而排除C、D；再看in case that强调客观的一种可能性，而for fear that强调主观害怕的心理。故答案选B。