The book ________ on the floor for ten minutes, but no one has picked it up．

The book ________ on the floor for ten minutes, but no one has picked it up．

A.is lying

B.has lain

C.has been lying

D.lay

答案及解析： C

解析：

从“but no one has picked it up”可知，那本书可能还要在地上放着，故用现在完成进行时。