下列哪项是乙肝病毒复制指标（）
A.抗HBe
B.HBsAg
C.抗HBs
D.HBeAg
E.抗HBcIgG
参考答案：D
–You can’t imagine _______ great fun chatting online is.
– Really? But it may cause you a lot of trouble.
A．what
B．how
C．why
D．whether
“变相”
