The Greatest Tension Between China and the United States Exists

The greatest tension between China and the United States exists because of

A) an aviation accident that forced a U.S.Navy fighter plane to land on China's Hainan Island.
B) American outrage at the massacre in Tiananmen Square.
C) American support for an independent Taiwan and China's determination to hold the island.
D) China's distrust of the United States for ongoing involvement in Southeast Asia.
E) American admonitions that China must improve its human rights record.