题干
向对方介绍这是你的爷爷，可以说：
A：She's my grandpa.
B：He's my grandpa.
C：This is my family.
答案(点此获取答案解析）
B
向对方介绍这是你的爷爷，可以说：
A：She's my grandpa.
B：He's my grandpa.
C：This is my family.
