With Regard to Phases of Understanding Gender, Cross-Cultural Work Suggests

With regard to phases of understanding gender, cross-cultural work suggests that:

A) children in other countries do not necessarily follow the same sequence as children in the U.S.
B) children in other countries generally reach milestones about 1 year earlier than children in the U.S.
C) children in other countries generally reach milestones about 2 years earlier than children in the U.S.
D) none of the above