A Reaction Is Exothermic and Has a Negative Value of DS

Multiple Choice

A reaction is exothermic and has a negative value of DS ^$\circ$ . The value of DG ^$\circ$ for this reaction is therefore:

A) negative at all temperatures.
B) positive at all temperatures.
C) positive above 0 ^$\circ$ C and negative below 0 ^$\circ$ C.
D) positive above a certain temperature and negative below it.
E) negative above a certain temperature and positive below it.