A-A+
But too much of that lengthened experience eve
问题详情
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
参考答案
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。
