---Could I use your dictionary to look up some new words ?

---OK, ________.

A．that’s all right

B．that’s right

C．it’s a pleasure

D．help yourself

若汽车前照灯一侧发暗，应先检查发暗一侧的（）情况。

A.火线

B.保险

C.安装

D.搭铁