$1.$ If an if statement$$s true path contains the statement double avg $=0\mathrm{.}0$;$,$ where can the avg variable be used?

a$.$ in any instruction after the declaration statement in the entire program

b$.$ in any instruction after the declaration statement in the if statement

c$.$ in any instruction after the declaration statement in the if statement$$s true path

d$.$ none of the above because you can$$t declare a variable in an if statement$$s true path