'Makes sense' will be the right answer .
I can’t see the rest of answer C but I do believe that it is your best choice. Wiesel does talk about topics that include emotion however his purpose wasn’t to receive sympathy for himself. He encourages the audience with questions to truly think about the deeper meaning behind everything that happened and how it affected countless people.
The sentence being paraphrased is option C) "To take the pressure off the ascending pedal at the right moment is a more difficult matter."
There are several hints that help us identify the paraphrased sentence since there are phrases with similar meanings:
<u>To take pressure off:</u> to lighten up. These two phrases imply the meaning of "slowing down the movement"
<u>Ascending pedal</u>: top pedal. Both words are synonyms
<u>More difficult matter</u>: requires practice. These phrases refer to the difficulty of the action.
Either A or B, because somber means dark or dull in tone, gloomy.