Question: To help prevent errors, apply C + + 1 1 ' s q , keyword to the prototype of every derived - class function that

To help prevent errors, apply C++11's q, keyword to the prototype of every derived-class function that overrides a base-class virtual function.
A) abstract
B) None of these.
C) overridable
D) virtual
To help prevent errors, apply C + + 1 1 ' s q ,

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