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.

门式钢管脚手架剪刀撑斜杆若彩搭接接长，搭接长度不应小于（）mm。

A.700

B.400

C.500

D.600