单项选择题

下面代码输出的是什么?
cList3=[-278982876.3, 2324051287.51]
cList3.append(2280931307.32)
print(cList3)
A、[-278982876.3, 2324051287.51]
B、[-278982876.3, 2324051287.51, 2280931307.32]
C、[2280931307.32, -278982876.3, 2324051287.51]
D、[2280931307.32, 2324051287.51]