伴有消化性溃疡病、左心室肥厚及阵发性室上性心律失常的高血压患者，宜使用（）

A.吗啡

B.利血平

C.尼莫地平

D.维拉帕米

E.硝苯地平

What are tides caused by

A．The sun’s gravity alone.

B．The moon’s gravity alone.

C．The moon and the sun’s gravity.

D．The earth.