The Paris Agreement was signed b

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。