Intelligence has been suggested by goleman to be a more powerful influence in life than more traditional views, even though this claim has not been fully supported by extensive research.

This answer is emotional intelligence
While IQ is really really important in determining someone's capabiility from core processing power point of view, the emotional intelligence is much more likely to influence someone's life direction as a whole because it help them to communicate, form a relationship with other people, making connection, developing discpline and good work ethics, etc.

D. a conflict between her competing identities.