In the Context of Chinese-American Trade Relations, Which of the Following

In the context of Chinese-American trade relations, which of the following is a true statement?

A) Chinese-American trade relations increased China's gross domestic product to 500 times what it was in 1978.
B) The gross domestic product of the United States surpassed that of China in 2014.
C) Chinese products cost much more than U.S.-manufactured products.
D) Chinese-American trade relations resulted in the loss of jobs of American workers who used to make products such as electronics and hardware.
E) China buys U.S. products with the dollars it earns instead of loading up on U.S. treasuries.