对It’s my little brother.提问用Who is he?还是What is that?

对It’s my little brother.提问用Who is he?还是What is that?
对It’s my little brother.提问用Who is he?还是What is that?

对It’s my little brother.提问用Who is he?还是What is that?
对 It’s my little brother.提问 用 What is it?
解析：婴儿时期,不用 he 和 she ,通用 it

Who is he?

应该说 Who is he？ 他是谁？
对人的提问是用who

what is that 那是神马？
是对物品的提问

who is he