Would you mind ____him the news ? I want to give him a surprise .

A．not tell

B．not to tell

C．not telling

D．don’t tell

下列哪些药物能降低血压（）。

A.氯胺酮

B.依托咪酯

C.氯丙嗪

D.氟哌利多

E.丙泊酚