Which of the following statements would display the phrase c$++$ is fun?

A$)$ std::cout $\text{'}++$ is fun';

B$)$ std:: cout $$ "Thisis fun $\frac{\frac{?}{?}}{?}$ rC$++"$;

C$)$ std: :cout $""$C$++$ is fun $\frac{?}{?}""$;

D$)$ std: :cout $C++$ is fun;