Abstract class A has 4 virtual functions. Abstract class B defines only 2 of those member functions as it extends class A. Class C extends class B and implements the other two member functions of class A. Choose the correct option below.

(a) Program won’t run as all the methods are not defined by B

(b) Program won’t run as C is not inheriting A directly

(c) Program won’t run as multiple inheritance is used

(d) Program runs correctly

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