患者男性，55岁，诊断：高血压；良性前列腺增生。处方：氢氯噻嗪25mg，每日1次；缬沙坦40mg，每日1次。

缬沙坦是一种（）

A.血管紧张素转化酶抑制剂

B.H₂受体拮抗剂

C.利尿药

D.醛固酮拮抗剂

E.α肾上腺素能受体阻断剂

F.血管紧张素Ⅱ受体拮抗药

The boy asked his father _____. [ ]

A. when would they go to Hong Kong for a holiday

B. who was the television invented by

C. how the life will be like in the year 2100

D. if he could watch TV after finishing his homework