第24题: [单项选择]That tragedy distressed me so much that I used to keep indoors and go out only ______ necessity. A. within reach of B. for fear of C. by means of D. in case of 参考答案:D 答案解析:根据上下文,应该是“在需要的时候或万不得已的时候”,所以用in case of表示“假如,万一”。for fear of生怕,以免;within reach of在可及范围之内;by meads of