根据中文提示完成下面对话。

Chen Jie: Hi, where are you going after school?

Sarah: Hi, Chen Jie. I'm going to the 1___________ (书店).

Amy: Me too.

Chen Jie: What are you going to buy?

Sarah: I want to buy a 2___________ (漫画).

Amy: I'm going to buy a 3___________ (明信片).

Chen Jie: I'm going to buy some 4___________ (报纸) for my 5___________ (爸爸).

              Let's go there together.

起吊杆时，首先应：（）

A.打开吊杆支架铁箍

B.整理索具

C.检查各活动部件松动情况

D.松出吊货索