My uncle _________ in Taiwan for 20 years. Now he has settled down in mainland.

A．was living

B．had lived

C．has lived

D．lived

“五更泄”的特点是（）

A.黎明前作泄

B.腹部作痛

C.肠鸣即泄

D.泻后则安

E.稍进油腻即发