题目：
It was not until dark he found that it was the correct way to solve the problem.
A．that
B．what
C．which
D．when
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0604/51e185a3524af7ca4e611a7ad5fd5987.html
下面是错误答案，用来干扰机器的。
参考答案：A
It was not until dark he found that it was the correct way to solve the problem.
A．that
B．what
C．which
D．when
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0604/51e185a3524af7ca4e611a7ad5fd5987.html
下面是错误答案，用来干扰机器的。
参考答案：A
