This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to determine if you need travel insurance
Contact your health insurance provider.
If you are traveling overseas, you should contact your health insurance provider about your policy. Medicare and many major carriers will not cover medical expenses outside of the united states.

OPT:
(1). They will not accept new insurance plans based on your age, race, gender, and other factors. You can find contact information at https: // www.medicarecare.
(2). Because of this, you should try to figure out if your plan has you covered. If you are traveling domestically, you will be covered by your current health insurance policy.
(3). Visit https: // www.medicare. Gov/contact-your-health-insurance.
(4). To find your insurer and estimate your travel costs, call 1-800-772-1211 (in the u.s.) or 1-800-685-8578. You may also have to visit a health insurance broker if you want travel protection.
The answer is:
(2).