It was the 1930s when the period of To Kill a Mockingbird set.
The answer to your question would be that suspense is created in the passage partly due to it being written in the third person limited point of view. That is, your answer would be C.
In the third person limited point of view, the narrator follows the thoughts and feelings of only one character. One character is closely followed throughout the story, and it is typically the main character. In this case, the narrator only follows Rainsford, someone else is seeing and narrating how he feels and that is what builds up the suspense.
Answer:
The Narrator didn't believe Herbert at first because Herbert appeared to be very poor, and he thought he was not going to make any money off him.
Explanation:
The Foster Portfolio is about an investment broker who was called by Herbert Foster to look at his portfolio and manage it.
He went to Herbert's house for that purpose but was initially disappointed with the general lack of affluence of the household and its occupants.
According to the narrator "my business is handling other people’s money, and I have a great respect for money" and that he is "a salesman of good advice for rich people", so he couldn't see how he could help a man who appeared to be neither rich nor to have any money to speak of.
That was why he didn't beleive Herbert was in ned of his services.
I believe its the last one: 95% of the surface of Antarctica, which contains 70% of Earths freshwater supply, is covered by ice.