In the third paragraph, "two continents' refer to （）

A．Franklin did great contributions to the world, especially to America
B．Franklin was kind so he was duped by a false friend as a boy
C．Franklin lived a hard life when he was young
D．Franklin became world famous through hard work

A．Franklin lived a poor life in Boston when he was young.
B．When Franklin first got to philadelphia, he was homeless and unknown, and he had to buy cheap bread for breakfast.
C．Franklin was cheated by a false friend as a boy.
D．Franklin was a candle maker's son and mastered six languages.