Since there are no options listed to choose from, my best guess would be watches, since a lot of apple watch products are now sold with built in heart monitors.
A) For it does not require a life long commitment, and it is not C) because it can be any substance not just tobacco!
Thus your answer is A) gradually but completely withdrawing substances from use !
Have a happy life !
:D <span />
1) fill out a form requesting your medical records and fax or email it to their office
2)if no form is given, write a letter including your name, SSN, DOV, address and phone number, email, list of records being requested, your delivery option and your signature
3) once the letter is submitted, you should receive your documents within 30-60 days
B. Gown then D. Mask then C. Goggles then A. Gloves hope this helps :)