It’s should be more students
The answer to your question is A.) some people feel it is an unfair deprivation for a teenager to be without a cell phone.
The definition of deprivation is to deprive/keep someone of something. In this case A is depriving the person of a phone.
It is "over the mantelpiece." This is because "over" is a preposition that is telling you where the painting is hanging.
Is b plant native species in gardenia