–I’ll ask the teacher about the noun clause. I’m very puzzled about it.

--That’s just ______ most of us have doubt.

A．what

B．why

C．where

D．how

怎样抓住客户（）

A.聆听客户的唠叨，迅速的回应客户的需求

B.让他知道你的美貌

C.满足需求

D.看他的心情