单选题
______ the forties ______ the first fully automatic factory was built in the world.
A、
It was not until; then
B、
It was not until; when
C、
It was until; that
D、
It was not until; that
【正确答案】
D
【答案解析】
强调句型。Not…until结构的强调句型常是It is/was not until…that…。
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