短文填空。

根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺。

     I   1   in town yesterday. I decided to stop at the bank to see Jane. I thought she might have   2   to go for

lunch with me.

     When I   3   to the bank, they told me she had just been   4  . I asked them   5   she would be back by

10:30 or 11:45, and they told me"yes". I had some time, so I decided to wait   6   her. I walked over to take a

seat by the window. I watched everyone   7   in. It was 12:30, and I was sure she   8   come back until after

lunch. I got up, and as I   9   to walk to the door, someone called my name. I turned around and was surprised

to find  10    was Jane. She said she had not left her office all the morning.

控制器的主要功能是______。

A) 指挥计算机各部件自动、协调地工作 B) 对数据进行算术运算
C) 进行逻辑判断
D) 控制数据的输入和输出