B is the answer. If the problem is that people are not reading enough books, to conclude the text we would need a solution that can combat this problem. This would make the answer B.
travel everywhere in the world and become a rich millionaire and do everything there is to do in life.
D - sunshine is the correct answer. "Bright" is an adjective, not a noun, "protect" is a verb, and "eyes" are not in singular, but in plural.