桑代克用联结联想主义，是因为其学习理论中不仅有（）之间的联结，还有（）之间的联结。

A：Welcome to our restaurant.
B：Thank you.  1
A：OK. Here it is.(A few minutes later)  2 
B：I’d like a beef hamburger and salad.
A：  3  
B：Fruit salad.And some drinks,please.What drinks do you have?
A：We have orange juice,coffee and tea.    4  
B：What is it?
A：It is hot milk with sugar and chocolate.It tastes good.
B：Well,I’ll have a try.
A：OK.Wait a minute,please.
(20 minutes later)
B：   5 
A：Let me see.It’s 35 yuan.
B：All right.Here’s the money.

A.May I have your order,please? B.And we have a new kind of drink—hot chocolate. C.May I have the bill,please? D.What kind of salad would you like? E.May I have the menu,please?