请选择AB/|0]/^,X)J6I0i3?7\A: Can I come in ? B:______________.7@8^,l'{1y4_-L2k0C2D/V
A. Yes, I can.7@8^,l'{1y4_-L2k0C2D/V
B. Yes , please.7@8^,l'{1y4_-L2k0C2D/V