Read the following text to answer the questions!

How to Repel Mice

Mice might look cute, but they can be harmful pets that destroy household items, eat and mess with food and can spread severe diseases through their feces and parasites they carry. Here are some useful tips on how to repel house mice:

1. Use peppermint, put the peppermint near wall corners.

2. Pour generous amount of peppermint oil on cotton balls.

3. Place the saturated cotton balls on areas where mice are possibly seen-around counter tops, under the sofas in your living room.

4. Put them behind shelves, wall corners or on the floor beneath your kitchen sink.

“Put them behind shelves …”The word “them” refers to ….

A. Pets

B. Cotton Balls

C. Peppermint

D. Peppermint oil