可诱发支气管哮喘的降压药物是（）

A.美加明

B.利血平

C.普萘洛尔

D.可乐定

E.哌唑嗪

I shall be in china for three weeks. Can you make some suggestions _____ what I should see?

A．or else

B．as to

C．so as to

D．up to