Which Statement About Memory Is True

Which statement about memory is true?

A) Instrumental conditioning, in which an animal learns to press a lever to get food, is a type of nondeclarative memory.
B) Priming, in which prior exposure to a similar stimulus changes the processing of a particular stimulus, is a type of declarative memory.
C) Patient K.C.'s inability to remember episodic memories is an example of impaired nondeclarative memory.
D) The delayed non-matching-to-sample task tests an animal's nondeclarative memory.