— 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

发动机采用电子控制，不仅能提高发动机的动力性，改善发动机的经济性。还能减轻排气污染程度。