________ so delicious，the food was sold out soon.

A．Tasted

B．Tasting

C．Having been tasted

D．Being tasted

慢性心衰中，长期应用螺内酯的主要作用是（）

A.保钾

B.排钾

C.利尿

D.排钠

E.醛固酮拮抗