根据中文意思选择正确的英文句子。

1. 我们是好朋友。[ ]

A. This is my good friend.

B. We are good friends.

2. 我的朋友有一双大眼睛，一头短发。[ ]

A. My friend has two big eyes and short hair.

B. My friend has two big eyes and long hair.

3. 这个男孩是谁？[ ]

A. Who is this boy?

B. What is this boy?