单选题 If you can't put your PC ______ good use, sell it to those who really need it.
A. into B. of C. to D. with

【正确答案】 A

【答案解析】[考点] 动词和介词的搭配
[解析] put sth. into use的意思是“使用”，是固定搭配，故选A。