Why Did the Nixon Administration Decide to Resume Relations with China

Why did the Nixon administration decide to resume relations with China?

A) China had cautiously inquired about resuming normal diplomatic relations.
B) The United States believed it would force better relations with the Soviet Union.
C) The United States wanted to thwart the growing economic power of Japan.
D) The United States wanted to patch up its Asian relationships after the Vietnam War.
E) The suffering U.S. economy forced Nixon to make an economic arrangement with China.