It was in 1949___the People's * was founded.
问题描述：
It was in 1949___the People's * was founded.
A.when
B.that
C.in which
D.which
答
B,这是一个强调句,it is/was...that.
去掉it was,that这个句子还是一个完整句,In 1949 the People's * was founded.所以是强调句为什么不可以选A？前面有 in了，用when就不对了。而且此处考察的是强调句型。