白勇语法10-16,请NN指教

gedn01

16.Last spring a Colorado department survey of 72 playgrounds in private child-care centers found unsafe conditions in 95 percent of them and they ranged from splinters to equipment near collapse.

a.

b.conditions in 95 percent were unsafe and ranging

c.the ranging of unsafe conditions in 95 percent of them to be

d.that 95 percent had unsafe conditions ranging

e. that 95 percent of then had conditions that were unsafe; the range was

总觉得d项错得离谱,b项应该正确,但反而答案的解释是b项and 的连接对象形式不对称.选了b作为正确答案

kelvinchyan

不理解LZ的意思，正确答案到底是D还是E？

sayysong

选D吧 find that ... 从句。当中ranging...是修饰unsafe conditions的
B当中的were unsafe中were多余，find sth. adj.,而且加了and确实把ranging和前面平行起来了，但是ranging的形式又错了。
E的话弄个分号把一句话拆分成两句了，改变了原来的意思。所以也不对。