The water - recycling project, according to the agreement, ________ by 2005The water - recycling pro

The water - recycling project, according to the agreement, ________ by 2005The water - recycling project, according to the agreement, ________ by 2005.

A.will have been put to use

B.will put into use

C.will be put to use

D.will have put into use

答案及解析： C