请选择ABC.s6],f*O5[4K6M/f,i7P-r3[你想知道那个男孩是谁,你应该这样问::x(k2P8?.A4Q
A、Who’s this boy?:x(k2P8?.A4Q
B、Who’s that boy?:x(k2P8?.A4Q
C、Who’s that girl?:x(k2P8?.A4Q