—Who is making so much noise in the garden?

—________ the children.

A．It is 　　　 B．They are

C．That is 　　　　 D．There are

—Who is making so much noise in the garden?

—_________ the children.

A．It is   B．They are   C．That is      D．There are

---Who is making so much noise in the garden? --- ___ the children.

— Who is making so much noise in the garden?
— ______ the children.

—Who is making so much noise in the garden?
—___________ the children.