请选择ABC0j2}6F)})o6g-- ________ that girl? ---She is my sister.2i3L-}8N'z1v/~.N7j
A、Who’s2i3L-}8N'z1v/~.N7j
B、What’s2i3L-}8N'z1v/~.N7j
C、Who2i3L-}8N'z1v/~.N7j