—Don’t you think it would be much more convenient to have our own car?

—___________,but we don’t have enough money.

A．I couldn’t agree more

B．I’m afraid not

C．I believe not

D．I don’t think so

下面哪一项不是硝酸甘油的不良反应

A．头颈部皮肤潮红

B．头痛

C．体位性低血压及晕厥

D．发绀

E．水肿