听力原文：Today, I'm pleased to announce that starting on July 1 for the very first time, m

edicare will cover tests and education for Americans with diabetes. With this announcement today, the 20 percent of older Americans with diabetes will be able to take preventive steps to help them and their families avoid the pain and loss that can come when this disease is undetected and untreated.

What can be concluded from the passage？

A．Medical tests and education for Americans with diabetes are not covered by the present healthcare schemes.

B．If you are 20 years old or more, you are more likely to suffer from diabetes.

C．Family help is the more important and most effective in detecting and treating diabetes.

D．In the US, July 1 is a day of celebration for hospital staff, nurses and patients.