Which sentence uses "ingenuous" correctly?
A. Val's constant, ingenuous laughter during the movie roused several people to shush her.
B. Ryan, the most ingenuous person in class, always cracks jokes at the most inappropriate times.
C. Richie's ingenuous mannerisms and comments make him the target of every practical joker.
D. Our group was in danger of not completing the assignment until Jenna came up with an ingenuous plan.