Which reaction below represents the second electron affinity of S

Which reaction below represents the second electron affinity of S?


A) S(g) + e⁻ → S⁻(g)


B) S⁻(g) + e⁻ → S2⁻(g)


C) S(g) → S⁺(g) + e⁻


D) S⁻(g) → S(g) + e⁻

B) S⁻(g) + e⁻ → S2⁻(g)

first is when you add e- to gaseous S