Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Input: [header] How to prepare for your next medicare audit [title] Meet the deadline. [step] When you receive a letter notifying you of a medicare audit, you will have 45 days to respond and schedule the audit dates. [substeps] Respond to the letter immediately. <sep> (A) Your mind will be in turmoil if you delay the audit date. If you call your doctor, you could miss the audit. (B) Even if you are not contacted during the audit, you should do your best to respond before the audit date. If you do not receive a timely response after the date the auditor requested, you are a fire hazard. (C) Schedule the audit and make sure the date sticks. Many auditors travel, and canceling and rescheduling is inconvenient and not a good way to gain favor with your auditor. (D) You should be alert of the date as soon as possible after receiving the letter. If you do not receive a response within that time frame, contact a state agency.
Output:
C