If you are trying to reduce the stress of a project it is best to take a break from the project when you need it then come back to it when your ready so i would say the answer is B.
D is the answer, viruses can not be cure by antibiotics. Bacteria can.
(not sure if this is what you are looking for, but here is a small thing I made up to hopefully at least get you started!)
The influence of self-esteem on teens participating in risky behavior can sometimes be major. While not all teens struggle with their self-esteem, many do. This can result in the doing things they may not otherwise do as they do not have the high esteem to take care of themselves better. As said before, this does not apply to all teenagers, but "having good self-esteem may help them to handle relationships in more mature ways."