A 19th-century married couple attends a religious revival during the Second Great Awakening. Afterward, the wife has become a stronger supporter of equal rights for women, while the husband believes more strongly in women's subservience to men. This scenario supports which of the following conclusions?

AOnly the wife's change in opinion represents the revival's true effect.
BThe revival produced a variety of seemingly opposing effects.
CThe revival ultimately did little to change either spouse's opinions.
DOne of the spouses did not fully understand the revival's message