这是什么从句?填that 还是where?

题目

这是什么从句?填that 还是where?
It was in the lab ( )was in the charge of Professor Jone ( )the experiment was carried out.
A that ;that
B where;that
C that :where
为什么呢?这是什么从句?

答案

从整体上看,这是一个强调句.句型是it was.that...是与第二空的that构成的.但是其中还包含了定语从句,也就是第一空的that引导的.可以翻译为：就是在Jone教授的实验室里,这个实验被执行的.It was in the lab （ that w...