Based on discussion of resistance in the passage, proponents of social skills training most likely will suggest that program implementation will succeed if trainers act out of:

A. attraction.
B. aggression.
C. attachment.
D. altruism.

Passage: Resistance can be expected from members of the community who disagree with the science or are resistant to change. Critics of social skills training programs might be swayed if the trainers work pro bono, purely for the joy of enacting change and helping others."