题干
你想向别人介绍自己的弟弟Paul，可以说：
A：This is Paul. He's my brother.
B：This is Peter. He's my friend.
答案(点此获取答案解析）
A
你想向别人介绍自己的弟弟Paul，可以说：
A：This is Paul. He's my brother.
B：This is Peter. He's my friend.
