Matt Is Having a Long Study Session in the Library

Multiple Choice

 Matt is having a long study session in the library, where the "no food, no drink" rules are enforced very strictly. Over the course of the study session, we can expect that Matt's glucagon

A) and insulin levels will remain very low.
B) and insulin levels will increase gradually.
C) levels will drop and his insulin levels will rise.
D) levels will rise and his insulin levels will drop.