Weeks Ago, Amanda Talked to a Guy in Her Chemistry

Weeks ago, Amanda talked to a guy in her Chemistry class. Although she could not remember his name, she remembered that it began with a "C" and that his mother is a professor in the Chemistry Department at the University of Georgia. This frustrating condition in which information is right at the edge of consciousness is known as what memory phenomenon?

A) tip-of-the-iceberg
B) edge-of-the-brain
C) working memory
D) episodic memory
E) none of these