Which of the Following Statements Is True About Gender-Stereotype Flexibility

Which of the following statements is true about gender-stereotype flexibility?

A) Acknowledging that boys and girls can cross gender lines does not mean that children always approve of doing so.
B) Western children are especially tolerant when boys engage in "cross-gender" acts.
C) Boys are more likely than girls to engage in "cross-gender" acts.
D) Once children are old enough to acknowledge that boys and girls can cross gender lines, they always approve of doing so.