---Who are they?- This is Jim that is Dale. They are my good friends.A orB and C but D

问题补充：

---Who are they?

--- This is Jim that is Dale. They are my good friends.

A orB and C but D /

答案：

解析：A or 或者 B and并且 C but 但是，句意：他们是谁？这是吉姆和那是戴尔，她们是我的好朋友。故选B