The girl in red is her twin sister.其中in red加下划线,并对划线部分提问

问题描述:

The girl in red is her twin sister.其中in red加下划线,并对划线部分提问

which girl is her twin sister?

Which girl is her twin sister?

Which girl is her twin sister?
或者:
what color does her twin sister wear?

Which girl is her twin sister?