An independent clause expresses a complete thought and can stand alone as a sentence, as opposed to a dependent one.
The answer would be D, because a theme is the subject of a talk; piece of writing, thoughts, etc..
The correct answer is A. an opinion
A metaphor is a figure of speech that deals with figurative comparison to something similar, while similes compare things using words like "like" and "such as". Personification is when an inanimate object is given human behavior or personality.
On his way to one village, Smith said that he was captured by Powhatan Indian scouts. Their chief, also called Powhatan, thought that Smith must die. Smith described that Powhatan's men held his head against a rock. Smith saw them raise their weapons. Suddenly, the cheif's daughter, Pocahontas, rushed forward. She "got [my] head in her arms," Smith declared, "and laid her own upon [mine] to save [me] from death."