Choose the correct statements

A$.$ In case of call by value original value is not changed.

B$.$ In case of call by value original value is changed.

C$.$ In case of call by reference original value is changed if we made changes in the called method.

D$.$ In case of call by reference original value is not changed if we made changes in the called method.

$($: $2)$

A$,$ B

B$,$ C

C$,$ D

A$,$ C

B$,$ D