问题
单项选择题
______ divorce is often the only satisfactory solution for married couples who can no longer stand the sight of each other, it can have a shocking effect on their kids.
A．Since
B．While
C．As
D．Unless
答案
参考答案：B
解析：while此处的意思是“尽管；虽然”，表示让步。根据句子的意义，选其他词是不对的。