Which type of inheritance is illustrated by the following code? class student{ public: int marks; }; class topper: public student { public: char grade; }; class average{ public: int makrs_needed; }; class section: public average{ public: char name[10]; }; class overall: public average{ public: int students; };

Which type of inheritance is illustrated by the following code? class

1.	Which type of inheritance is illustrated by the following code? class student{ public: int marks; }; class topper: public student { public: char grade; }; class average{ public: int makrs_needed; }; class section: public average{ public: char name[10]; }; class overall: public average{ public: int students; };
A.	Single level
B.	Multilevel and single level
C.	Hierarchical
D.	Hierarchical and single level
Answer» D. Hierarchical and single level