there are a lot of in the librery.中间应该填?A book B newspaper C teacher D books

there are a lot of in the librery.中间应该填?A book B newspaper C teacher D books
there are a lot of in the librery.中间应该填?A book B newspaper C teacher D books

there are a lot of in the librery.中间应该填?A book B newspaper C teacher D books
D books

选D 【图书馆放的是书，are是复数，所以选D】

books
图书馆里有很多书