Windows任务管理器是一个很有用的系统工具，用户通过该工具可以查看系统当前的运行清况，并可进行一些系统操作。在下图所示的“Windows任务管理器”窗口中，用户可以查看到每个进程的用户名、CPU(使用率)、内存使用(的大小)和（）(即图中“”所指处) 。

Questions 11～14

A. He had to call a taxi company. B. He had to eat and sleep in his office.
C. He had to come some other time. D. He had to report the murder case.