In the Middle Ages, the ________supposedly followed a code that required them to take care of poorer people who lived near their estates.
句意：在中世纪，贵族们会遵循一种规定，这种规定要求他们照顾住在自己庄园附近的穷人。nobility贵族。liability责任。insured投保人。relieved放心的。因此，本题的正确答案为A。