When people seek out comfort and support from friends and family members when they are upset or ...

When people seek out comfort and support from friends and family members when
  they are upset or distressed, what do they activate that helps them feel felt?
 
  a. They activate the feelings of fear and stress associated with being responsible
  for soothing the other person
  b. They activate the mirror neurons in the other person associated with a similar
  emotion or experience
  c. They activate an inherent need someone may feel to soothe their friends
  when they are upset
  d. They activate sympathy sensors in the brain that are associated with feeling
  bad for the other person