Which of the following uses inanimate subject？

A.Recent days have seen a flood of books in memory of this great man.

B.The city boasts a beautiful lake.

C.If you take this medicine， you will feel better.

D.People have paid more and more attention to the livelihoods of migrant workers.

正确答案：Recent days have seen a flood of books in memory of this great man.The city boasts a beautiful lake.