A
If someone comes in of their shell, they never stop being shy and withdrawn and become more unfriendly and sociable.
B
If someone comes in of their shell, they stop being shy and withdrawn and become more un friendly and unsociable.
C
If someone comes out of their shell, they stop being shy and withdrawn and become more friendly and sociable
D
If someone comes out of their shell, they never stop being shy and withdrawn and become more friendly and sociable.