Final answer:
Under California law, George has seven calendar days to rescind his timeshare purchase after receiving the public report.
Step-by-step explanation:
According to California law, George has seven calendar days to rescind the purchase of a timeshare after he receives the public report. This is a legal right provided to timeshare buyers to ensure they have a sufficient review period before finalizing such a significant financial commitment. Hence, the correct answer to the question is C) Seven calendar days.