The Paris Agreement was signed by the U.S. and North Vietnam in

The Paris Agreement was signed by the U.S. and North Vietnam in Jan. 1973 and the fall of Saigon was in ______.
A、April, 1973
B、April, 1975
C、Jan, 1975
D、None of the above
【正确答案】：B
【题目解析】：本题考查越南战争。根据课本P222 On April 29, 1975, the National Liberation Front forces took Saigon 可知，1975年4月29日，民族解放前线部队占领了西贡。