HMO very first rule in order to have a check-up in a particular doctor is to schedule a time to visit and ask for LOA or Letter of Authorization. Once LOA is given Harry can now visit the doctor and proceed with the checkup for his foot pain.
I believe the answer is D
In my opinion its:
Both 3 and 4.
Then 2.
And last 1, but they both have equal chance. of getting injured.
D) Coping with difficult situations