The houses . They will be finished next year.A. are builtB. have been builtC. are being bu

问题补充：

The houses . They will be finished next year.

A. are built

B. have been built

C. are being built

D. were built

答案：

A. are built

B. have been built

(答案→)C. are being built

D. were built

解析：

这题考查时态语态的用法：从They will be finished next year.“他们明年将完工”说明这些房子是正在被建。选C。