支持肾炎性肾病综合征的指标是（）
A.大量蛋白尿
B.低白蛋白血症
C.高胆固醇血症
D.血清补体C3降低
E.水肿
参考答案：D
----What were you doing _________ 8 last night?
----- While I was wandering in the street, I noticed a wallet __________ on the ground.
A．at; laying
B．on; lie
C．on; laid
D．at; lying
简述克服遗忘的主要方法。
