— Look! It's raining heavily. _____ take a raincoat with you?

— Well, I'll take one right now. [ ]

A. Why not

B. Why don't

C. Would you mind

D. Would you like

在实验室中引起火灾的通常原因包括（）

A.超负荷用电

B.使用明火

C.电缆的绝缘层破旧或损坏

D.电线过长

E.电离辐射