As a Normal Object's Thermal Energy $U$ Goes to Zero, the Slope of a Graph of Its

Multiple Choice

As a normal object's thermal energy $U$ goes to zero, the slope of a graph of its entropy $S$ versus $U$

A) approaches infinity.
B) approaches some positive value less than infinity.
C) approaches zero.
D) approaches some finite negative value.
E) approaches negative infinity.
F) depends entirely on the object's properties.