问题
单项选择题
That she hadn't kept her ______ on her work resulted in the failure.
A. head
B. heart
C. brain
D. mind
答案
参考答案:D
解析: 本题主要考查名词的意义区别。根据后面的resulted in failure可知,她没有专心于工作,而keep one's mind on意思为“专心于”。故选D。