Traveling in UK,we were surprised to find that many old churches_____several hundred years ago were still in use.
问题描述：
Traveling in UK,we were surprised to find that many old churches_____several hundred years ago were still in use.
A.that are built
B.being built
C.built
D.having been built
答
c
在英国旅行时,我们很惊讶的发现很多几百年前建成的老教堂仍然开放着.