单选题

If file A has the capability of 724, the same group's users of file A may do (74) .
A. read A only B. write A C. execute A D. non-operation
【正确答案】 C
【答案解析】[解析] 译文:如果文件A的容量是724,文件A的同组用户可以进行执行A操作。