Which One of the Following Equations Correctly Represents the Process

Multiple Choice

Which one of the following equations correctly represents the process involved in the electron affinity of X?

A) X(g)  X⁺(g) + e^-
B) X⁺(g)  X⁺(aq)
C) X⁺(g) + e^-  X(g)
D) X(g) + e^-  X^-(g)
E) X⁺(g) + Y^-(g)  XY(s)