Officers Executing a Lawful Search Warrant for Stolen Guns Have

Officers executing a lawful search warrant for stolen guns have located all the weapons listed in the search warrant. An officer is admiring the suspect's beer mug collection and takes down a mug from a shelf and discovers marijuana inside it. The officer should _____.

A) replace the marijuana and go get another warrant
B) justify the seizure of the marijuana as plain view
C) call the judge to amend the warrant
D) realize that the marijuana is inadmissible under the plain view doctrine