What's wrong with your car?

- Well, as you know, cars usually_______ start in winter.

A．don't

B．shan't

C．can't

D．won't

阅读下表

两支股票价格相比，贵州茅台远远高于五粮液，这是由于 [ ]

A．二者银行利息率不同

B．二者产品的社会必要劳动时间不同

C．二者产品的个别劳动时间不同

D．二者的股息不同