Which among the following is correct for multiple inheritance?

• A. class student{public: int marks;}s; class stream{int total;}; class topper:public student, public stream{ };
• B. class student{int marks;}; class stream{ }; class topper: public student{ };
• C. class student{int marks;}; class stream:public student{ };
• D. class student{ }; class stream{ }; class topper{ };