The Symptom of Sadness ______________, While the Symptom of Crying

The symptom of sadness ______________, while the symptom of crying _____________.

A) motivates avoidance of future losses; is a signal soliciting help from others
B) allows us to more objectively evaluate our goals; protects us against a threat of attack
C) is a signal soliciting help from others; allows us to more objectively evaluate our goals
D) protects us against a threat of attack; motivates avoidance of future losses