Given a Reaction, 2A + B $\rarr$ P, for Which the Rate Law Is Rate = K[A]

Given a reaction, 2A + B $\rarr$ P, for which the rate law is rate = k[A]. Which equation or statement is true?

A) [A] = 1/kt
B) ln[A] = k/t
C) 1/[A] = kt
D) The half-life is 0.693/k.
E) e^[A] = kt