--________ your favorite subject?

--P.E.

［　　］

--________ your favorite subject?

--P.E.

［　　］

—What’s your favorite subject?

—________ favorite subject is P.E.

A. His　　　　　　　 B. Her　　　　　　　 C. My

---What’s your favorite subject?
---________, because I am interested in numbers.