Research on the Phenomenon of Mood-Congruent Recall Has Found That

Research on the phenomenon of mood-congruent recall has found that people tend to have a better memory:

A) when their internal states during encoding and retrieval are similar.
B) for events that are consistent with their current mood.
C) when both the environmental conditions and their internal states during encoding and retrieval are similar.
D) when the environmental conditions during encoding and retrieval are similar.