根据句意和首字母填入恰当的词 

1. We were completely in the d __    about his movements.    

2. Her answer is r_____.    

3. If you want to s  __    . money, you had better buy second-hand books.    

4. I w____ about the exam tomorrow because it's very difficult.  

5. I used to eat c____ all the time. It's bad for my teeth.

( )对商业银行的信用和利率水平不是很敏感，往往被看做是核心存款的重要组成部分。

A．个人存款

B．公司存款

C．机构存款

D．大额存款