Question

mrsa is a type of germ known as a superbug because it cannot be cured with standard drugs. mrsa can easily spread to nearly every part of the body, including the skin, joints, bones, blood, and organs. infections in the heart, lungs, and brain can be very serious. mrsa can even spread from person to person. the germ is often found in hospitals and nursing homes. fortunately, doctors have found two effective drugs to combat mrsa. scientists continue working to discover new medications. superbugs such as mrsa are
alarming
handy
economic
defensive

Explanation:

MRSA is a super - bug that cannot be cured with standard drugs, spreads easily and can cause serious infections. This makes it a concerning issue, so "alarming" is the appropriate description.

Answer:

A. alarming