Please explain why

For cach statement below which has a question number (c.g., Q11), write the output that results from executing the statement on the answer sheet. All statements are legal class B \ I/ B.h public class D: public C { II D.h public BO); virtual ~B0; virtual void fl(); void f2(); void f30); D(int); DO; virtual DO; void fl(); void f20); virtual void f3); D:D(n/D.cpp D::D B::BO// B.cpp B: BO! void B:fl) {cout bP>f2; Q17 bP>f3; // Q18 C. CO cP->fl); // Q19 cP->f3); // Q20 void C.fl() {cout