_________that a society like the National society for the Prevention of Crueltyto Children is still needed in a civilized country?AHow comesBHow it comesCHow did it come aboutDHow did it come
參考答案:选择A.
通过句子的意思和that可以看出着是一个定语从句,that是整个句子的主语,所以B C D中的it完全是多余是不对的,他门不能再充当句子的主语了,所以选择A。