Yesterday, Colleen Went to an Interesting Lecture

Yesterday, Colleen went to an interesting lecture. She didn't take notes, because she isn't going to be tested on the lecture. Though she made no effort to memorize any of the information the speaker presented, she is able to repeat a great deal of it to a friend. How did the information get into her long-term memory?

A) chunking
B) elaborative rehearsal
C) semantic encoding
D) automatic processing