The Table Below Shows How the Payoffs to Two Political

Multiple Choice

The table below shows how the payoffs to two political candidates depend on whether the candidates run a positive or negative campaign. The payoffs are given in terms of the percentage change in the number of votes received.  
In the Nash equilibrium of this game:

A) both candidates run positive campaigns.
B) one candidate runs a positive campaign, and the other runs a negative campaign.
C) as long as one party runs a positive campaign, the other does too.
D) both candidates run negative campaigns.