I won’t believe that the five-year-old boy can read magazines ____ I test him my

题型：不详难度：来源：

I won’t believe that the five-year-old boy can read magazines ____ I test him myself.

A．if

B．when

C．after

D．until

答案

D

解析

本题考查not…until…的用法。believe加that从句，与情态动词相连时，后面是否定时，应用否定前移。句意“我才会相信五岁的男孩会看杂志,直到我亲自测试他。”在四个选项中只有not…until…具有“直到……才……”的意思，故选D。