Answer:
A. Smiley is hoping to persuade the stranger to bet on how well Dan'l can jump
Step-by-step explanation:
In "The Notorious Jumping Frog of Calaveras County," Smiley acts indifferently when the stranger asks him about Dan'l Webster because he is hoping to persuade the stranger to bet on how well Dan'l can jump.
According to the given text, it is important that Smiley catches a S ucker by acting uninterested and nonchalant so that his "quarry" would bet.