D. The conversation you write must sound natural for the characters. More natural conversations between characters make your writing more fun to read. Reading a dialogue that sounds like it could actually happen engages the reader, and creates an investment in the characters themselves. Think of it this way, would you rather watch a movie with good acting or bad acting?
The most correct answer would be D. <span>Inhabitants of Mars looked toward Earth for various reasons, some rather obvious. </span> The last sentence is textual evidence of this.
