The correct answer among all the other choices is 'Their desserts are so rich, my sister and I usually share one among us.' This <span>sentence uses the word among incorrectly </span>Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
<span>Marlow secretly gives him cartridges for his gun and shoes for his feet.</span>
The answer is B.
How i know? I just took the quiz and it corrected me since I myself got the question wrong.