Which Statement About Pearl and Reed's Application of the Logistic

Which statement about Pearl and Reed's application of the logistic growth curve to U.S. population growth is true?

A) Their logistic curve provided a good fit to the U.S. population growth up until about 1950.
B) They predicted a carrying capacity of over 300 million.
C) The U.S. population exceeded the carrying capacity that they estimated by 1950.
D) The logistic curve would only work if the U.S. imported significant amounts of food.