What can readers infer about Walter Mitty based on this passage?
"I want some biscuit for small, young dogs," [Mitty] said to the clerk. "Any special brand, sir?" The greatest pistol shot in the world thought a moment. "It says 'Puppies Bark for It' on the box," said Walter Mitty.
A.
Mitty is an expert marksman.
B.
Mitty would rather dream than attend to errands.
C.
Mitty will buy any kind of dog biscuit.
D.
Mitty envies people who can shoot well.