Regarding a Comparison of Sexuality in the United States, Canada

Regarding a comparison of sexuality in the United States, Canada, and other countries, which of the following statements is FALSE?

A) People from the United States and other industrialized nations are more likely to have had two or more recent sexual partners.
B) A survey of 59 nations found that a "sexual revolution" has not occurred in most developing countries.
C) In the countries in Africa where AIDS is epidemic, Africans report having more sexual partners than their counterparts in developing countries.
D) On average, teenagers around the world have their first sexual experience at the same age as American teenagers.