The correct answer is (b.) men's. The men's shouts filled the dark night. If you are referring to many male persons, you may use men. You need not any usage of s with men since men is already in a plural form which makes it wrong.
Answer:
It has a mostly negative connotation
Explanation:
Because the meaning of clean usually refers to taking something away that is unwanted; you clean your hands by washing them you can clean some apples to refresh them, this word has many different meanings comparable to being pure or empty.