What can readers infer about Walter Mitty based on this passage? (NEED HELP ASAP)


"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 will buy any kind of dog biscuit.

B.
Mitty is an expert marksman.

C.
Mitty envies people who can shoot well.

D.
Mitty would rather dream than attend to errands.