Answer:
D. -4027
Step-by-step explanation:
After the first two, the integers can be paired so that each pair has a sum of zero.
-2014 +(-2013) +(-2012) + ... (-1) +0 +1 + ... +2012
= -2014 -2013 +(-2012 +2012) +(-2011 +2011) + ... +(-1 +1) +(0)
= -4027 + 0 +0 +0 + ... +0
= -4027
