IMAT 2012 Q65 [Electron Affinities]

Which one of the following is correct about the first and second electron affinities of oxygen?

A. first = slightly exothermic; second = very endothermic
B. first = slightly exothermic; second = very exothermic
C. first = slightly endothermic; second = very exothermic
D. first = slightly endothermic; second = very endothermic
E. first = very exothermic; second = very exothermic