But too much of that lengthened experience,even in the wealthy West,will be experience of

Question

But too much of that lengthened experience，even in the wealthy West，will be experience of poverty and neglect，______we do something about it.

A. when

B. Unless

C. because

D. if

Answer 1

正确答案：B
[解析] 很多经验表明，即使在富饶的西方，也有贫穷和被忽略的经历，除非我们能为此做些什么。依题意选B。