QUESTION $18$

Which of the following describes the $c++$ statement int $x=10$;$?($choose $2)$ A$.$ The data type of variable $x$ can be changed to double in other statement in the program.

B$.$ A variable named $x$ can be initialized more than once.

C$.$ A variable named $x$ is initialized to $10.$

D$.x$ must be initialized before it can be used in a program.

QUESTION $19$