You Have Been Fortunate in That Your Nephew Was Born

You have been fortunate in that your nephew was born a few months before you began your developmental course.You remember some of your nephew's interesting behaviors.He has now mastered object permanence, and as you watch him, you remember that in class you discussed that object permanence is also a good measure of __________.

A) short-term memory
B) long-term memory
C) episodic memory
D) semantic memory