Which of the following sentences best describes an important theme about responsibility as described in "One Word of Advice"?

what are the sentences?

A strong leader bravely faces all challenges

Explanation:

" She’d spent hours researching companies, contacting executives, and making sure the school had the technological capability to handle state-of-the-art presentations.  With three days to go, she whisked into the media center and greeted her friend with, “Karim, I’ve been multitasking like crazy, and I still can’t imagine how I’ll get everything done.”  

Karim leaned over and said, “Delegate.  Plenty of friends have offered their help, and you need to take them up on it.”

answer: "the beating heart symbolizes the narrator's conscience, or his sense of guilt and wrongdoing" so its b

explanation:

"to look at him, or hear him describe it, he had no guilt. however, poe decided to symbolize this man's subconscious guilt through the heartbeat."