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

How to register an emotional support dog
Discuss emotional support animals with your mental health professional.
If you are considering getting an emotional support dog, you should discuss your options with your mental health practitioner. They should be able to advise you about whether an emotional support animal can help with your condition.

OPT:
[a]. Think hard about the type of treatment you need based on your mental health condition. Emotional support dogs can be helpful, but you might need more specialists..
[b]. They may also be able to suggest holistic therapies available. Find a qualified dog sitter or a trainer..
[c]. Your mental health professional should be able to tell you if your situation will warrant an emotional support animal. As a professional, you will need to be able to assure your dog that they can always be with you if you may need an emotional support animal..
[d]. You will need the support of a mental health professional to get official documentation for the animal. If your doctor or therapist doesn't think you need an emotional support dog, then consider not getting one or finding a different mental health professional..
[d].