Answer:
B. He believes that they are not intelligent.
Explanation:
According to a different source, these are the options that are included in this question:
A. He believes that they are too serious.
B. He believes that they are not intelligent.
C. He believes that they are highly educated.
D. He believes that they are extremely humorous.
In this passage, we learn that the Duke does not believe people in this part of Arkansas would attend the theatre to see a play by Shakespeare. He thinks this is too refined for them. He argues that they would only attend plays that are simple, low comedies, or something even less complex. Based on these words, we can conclude that the duke believes people in this part of Arkansas are not intelligent.