Which Statement Is Accurate Regarding Medicare Part D

Which statement is accurate regarding Medicare Part D?

A) It prevents Medicare from using its negotiating power as the world's largest purchaser of drugs to obtain discounts from drug companies.
B) It encourages reimporting domestically produced drugs from foreign countries where prices are significantly lower.
C) It encourages utilization of patent reform to lower costs to consumers.
D) It relies on Medicare using its negotiating power as the world's largest purchaser of drugs to obtain discounts from drug companies.