Multi-select problem: How does the next paragraph end?

How to keep silverfish away from books naturally
Cut some sprigs of thyme.
Make sure that the sprigs are dry.
They can be fresh but must not be damp.

Possible answers: A. They will rot faster if they dry too quickly. Apply to the sides of books; the edges are the smoothest areas on bookshelves.; B. Dry leaves of thyme are heavy and hard to digest and lack the moisture the older plants have. Place a spoonful of thyme food on a glass or a lemon or lime.; C. Place the thyme sprigs behind the books on each shelf. Bruise a little to release the scent.; D. Sprinkle the thyme over each book and cover. After carving them, let it dry.;
C.