询问并回答家庭成员Who's...? — 英语选择题
题目
Sam在整理家庭相册。相册里有一位女士，妈妈告诉他："She is my father's mother." Sam想用一句英语问这位长辈是谁，下面哪一句最合适，回答也正确？A. Who's she? — She's my grandma. B. Who's he? — He's my grandpa. C. Who's she? — He's my grandma. D. Who's he? — She's my grandpa.