I have ____ orange coat. It is on ____ bed of my ____ room.

I have ____ orange coat. It is on ____ bed of my ____ room.

A.

A, an, an, x

B.

B, a ,x ,x

C.

C, a, the, a

D.

D, an, the, x

E.

E, x, a, a

正确答案是D