----- What happened in that new area?
----- New houses recently over there.
A. are built
B. build
C. have built
D. have been built
网友回答
A. are built
B. build
C. have built
(答案→)D. have been built
解析：考查时态。现在完成时态一般和yet, already, by this time, so far, recently, since, for a long time等副词连用。