I’m new here. Could you tell me         , please?

A．when does the first bus arrive

B．when the first bus arrives

C．when did the first bus arrive

D．when will the first bus arrive

不属于水银温度计工作液优点的是（）。

A.热容量大，热惯性大

B.不易氧化

C.不粘附在玻璃上

D.测温范围大