. Despite their quarrel, they _______ the best of friends.

A．remained

B．are remaining

C．are remained

D．remaining

奥美拉唑特异性地作用于胃黏膜细胞，降低壁细胞中的（）

A.H-Na-ATP酶活性

B.H-K-ACP酶活性

C.Na-K-Ca通道活性

D.H-K-ATP酶活性

E.H-K-AMP酶活性