For a Spontaneous Exothermic Process,which of the Following Must Be $\Delta$

For a spontaneous exothermic process,which of the following must be true?

A) ( $\Delta$ G) must be positive.
B) ( $\Delta$ S) must be positive.
C) ( $\Delta$ S) must be negative.
D) Two of the above must be true.
E) None of the above (A-C) must be true.