That is ______ orange. It's ______ green orange.

[    ]

　　A. a…a    B. an…an    C. an…a

—Is that _____ orange, Jack?

      —No, it’s ______ watch.

      A. an, an            B. an, a              C. a, a              D. a, an

—Is that _____ orange, Jack?
—No, it’s ______ watch

1. A.
   an, an
2. B.
   an, a
3. C.
   a, a
4. D.
   a, an