Which sentence has an independent clause?
a) while preparing for the speech, president kennedy worried about his entrance.
b) helen wants to visit his friends before he returns to college.
c) myra's book, which made the bestsellers list, is not in any stores.
d) after they completed the survey, the participants were asked to remain in the room.

you didn't provide the passage.

explanation:

seeing as this is your first question on i can see why you may have not known that you need to provide the passage.

without the passage, or even the name of the passage, we can not read the passage, therefore we can not determine when or how the pacing effects the tone.

however, you can either repost this question (providing the passage this time)

or you can comment below what the passage is, and i'll you to the best of my ability!

they are most likely about to fight in the battle of gaul