单项选择题
关于语句 #include<iostream> using namespace std; void main( ) { cout < < 100.8989663 < < '; cout < < fixed < < 100.8989663 < <'; cout < < scientific < < 100.8989663 < <';} 的输出结果为
A.100.899 100.898966 1.008990e+002
B.100.8989663 100.898966 1.008990e+002
C.100.899 100.898966 1.008989e+002
D.100.899 100.8989663 1.008989e+002