If One Has Recently Attended Several Parties, One May Have

If one has recently attended several parties, one may have a hard time remembering the details of the events that occurred at any one particular party. That person's difficulty demonstrates that a(n) _____ memory can be _____ by exposure to similar information.

A) semantic; weakened
B) semantic; strengthened
C) episodic; weakened
D) episodic; strengthened