The answer is they have more questions in their mind at the end
Answer: His arms muscles work in pairs so that one contracts while the other relaxes as he climbs up.
Explanation: when we exercise one muscle, there is usually another muscle that isn't the target of the exercise but it helps us maintain the form by doing the opposite movement. For example, when we do a bicep curl, the muscle that we are working is the biceps, and it contracts, but at the same time, the triceps relaxes, this is called antagonist muscles. The same thing happens when a rock climber climbs up the rock wall, the biceps contract as he pulls up and the triceps relax at the same time.
I think its C) Someone on a solitary path
We learned how amazingly brave she was. Instead of living her last few days on her morphine addiction, we learn how she decided to die clean. Everyday the alarm clock went off a little later, signaling her weaning herself off and eventually breaking her addiction once and for all. Jem, who originally hated Mrs. Dubose for saying a lot of mean things about Atticus, forgives her and sees her bravery. After she dies, he takes the flower she left for him and "fingers it." His views on people change because he realizes that he doesn't know what struggles they could be facing.
I would put C. it makes the most sense to me