Paul, （）?Oh, that's my father!And beside him, my mother.
Paul,（）?Oh,that'smyfather!Andbesidehim,mymother.
Paul,（）?Oh,that'smyfather!Andbesidehim,mymother.
A.whatisthepersonoverthere
B.who'stalkingoverthere
C.whataretheydoing
D.whichisthat
正确答案：B
