Answer:
A - accusations, exonerate.
Explanation:
Imputation is an accusation, and exculpate means to show or declare that someone is not guilty of wrong doing, which is basically the definition of exonerate.
C.
To develop a plat about a character who comes of age in a historical important time
You can hold open doors, push up their chairs, compliment, help them pick up stuff they drop, encourage them, help them through hard times, hug them, help them with work