My guess would be A.<span>It causes the lines to stand out so the reader reflects on their importance. But I'm only 98% sure on that so don't just rely on my answer lol. I still hope it helped a bit! Good Luck! :)</span>
Answer: If his plan is going to work.
Explanation: Clearly Jack is using STEM for his plan so making sure that his plan works could possibly be the answer. I mean if you were creating a project you would want to make sure that it works and that you checked your STEM skills to go forward with the plan.
The finishing point constructed by Twain is: when the old man is about to finish the story of Jim Smiley's jumping frog, another individual interrupts him. The narrator tries to leave the place, but the old man reaches it. The story ends with the old man who starts telling the narrator about a yellow cow with only one eye of Jim Smiley.
