Multi-select problem: How does the next paragraph end?

How to get immunized before traveling to thailand
Call your primary doctor.
Make an appointment with your primary doctor. Let them know about your travel plans to thailand.

Available choices:
A). They may suggest doing some research or consulting among other travelers to ensure that you are safe traveling. They may also discuss your current travel regimen so that they can help explain your objectives..
B). Let them know about what you plan to do during the trip to thailand. Go up to their office in the airport or go see a walk-in clinic..
C). The doctor can help you figure out if you have a condition that will cause you to get immunized. Keep your dmv id and passport secure..
D). Your primary care doctor may be able to provide the vaccinations you need, but if not, then he/she can refer you to a travel clinic. If you do not have a primary doctor, local health departments also sometimes provide travel vaccinations, or they can recommend a clinic to you..
D).