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
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
B
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。