Pavlov referred to this as spontaneous recovery.
A and C for sure but thats all i can help with
The correct answer is the yard.
You must have seen in many movies that inmates spend a lot of time in the prison yard, usually playing some sports, such as basketball. It is an important place for prisoners because they get an opportunity to socialize and to wind down a bit, and where they can relax and talk.
Forests, live animals, and fertile soil.
