已知将运算符“+”和“*”作为类Complete的成员函数重载，设c1和c2是类Complex的对象，则表达式c1+c2*c1等价于（）
A.c1.operator*(c2.operator+(c1))
B.c1.operator+(c2.operator*(c1))
C.c1.operator*(c1.operator+(c2))
D.c2.operator+(c1.operator*(c1))