Exercício: Escolha a alternativa correta

(A) I don't mind doing all the housework.
(B) She suggested to go to a new restaurant on Sunday.
(C) They avoid to go out at night because of the violence.
(D) The children refused making their beds.
(E) He promised not being late next time.

Gabarito: Letra A)
Gostaria de saber porquê de as outras estarem errada, especialmente a C). Grato!