B .

—________
— Yes, ______.
A: Look! This is my cat.
B: Oh, it's a black (dog /cat).
What's that, Jim?
C: That is a red (hat /bag).
What's this?
D: This is a blue (cap /hat).
What's that?
E: That is a (door /book).
It's green.
a m b m o r n i n g h e
B .
B .
C .
B .
C .
D . 
This is my eye.