--- What’s wrong with my son, doctor?

--- ____________ serious, just a slight cold. He’d better drink some water.

A．Everything

B．Nothing

C．Something

D．Anything

有以下类定义:
class MyClass

private:
int id;
char gender;
char *phone;
public:
MyClass():id(0),gender(’#’),phone(NULL)
MyClass(int no,char ge=’#’,char *ph=NULL)
id=no;gender=ge;phone=ph;
;
下列类对象定义语句中错误的是______。

A．MyClass myObj;

B．MyClass myObj(11,"13301111155");

C．MyClass my0bj(12,’m’);

D．MyClass myObj(12);