问题
Look! The two boys always come in and go out in pairs. —That’s really as a saying goes, “_______.”
A:Two heads are better than one
B:Birds of a feather flock together
C:Bad fortunes never come singly.
D:One boy a boy, two boys half boy, three boys no boy
B:Birds of a feather flock together
C:Bad fortunes never come singly.
D:One boy a boy, two boys half boy, three boys no boy
正确答案是：
