Clue words showing that contrasts are being made in this paragraph include D. while and however. <span>The words while and however are meant to express comparisons that point out either differences or contrasts, but not similarities. These words are needed to balance the points that make two things be different from one another.</span>
The correct answer for the given statement above would be option C. A clause used as the object of a preposition is called a noun clause. The object of the preposition will always be a noun. Therefore, the only clause that is also used as the object of a preposition is only the noun clause.
Answer: They propel the plot of a story.
They take place between two characters in a story.
They happen when a character is at odds with society.