以下构造方法定义正确的是（）
选项：

A:class Student: def __init__(self,name,age): self.name=name self.age=age;
B:class Student: def __init__(name,age): Student.name=name Student.age=age;
C:class Student: def __init__(name,age): self.name=name self.age=age;
D:class Student: def _init_(self,name,age): self.name=name self.age=age