I think the answer to this is D.
Answer: Coping skills and self-care can also go a long way in making social anxiety bearable. They can help you fine-tune the way you respond to social anxiety-provoking situations. Self-care is more of a proactive approach while coping skills are more of a reactive approach.
I believe the answer is A.
The defendant is the person or organization with which an action is being brought against. For example: a man rear-ends a woman in a car accident. The woman can file a lawsuit to recover (get) money from the man for her medical injuries and damage to her car. The woman is the plaintiff suing the man who is the defendant.
Answer:
The mean population is computed by adding the population for the beginning of each of the twelve months and for the end of the last month, and dividing the sum by 13.