<span>In the passage Twain is using the literary technique of dialect, to tell us subtly about the background and race of the speaker. </span>
The answer is their because "the girls" is plural, meaning more than 1 girl is being addressed. Therefore, the answer cannot be her.
The answer is C. When Laurie tells of the misbehaviors of Charles, his mother thinks Charles might influence Laurie in a bad way.
