What Happens to Generalized Reciprocity in Times of Scarcity

Multiple Choice

What happens to generalized reciprocity in times of scarcity?

A) Sharing tends to increase during times of food shortage, but not famine.
B) Sharing tends to increase during times of famine, but not food shortage.
C) Sharing tends to increase during both food shortage and famine.
D) Sharing tends to decrease during both food shortage and famine.