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

How to control psoriasis by changing lifestyle
Realize you have psoriasis.
The first step to cure your condition is to firstly realize and accept the fact that the dryness, the itching and the roughed look of your skin is not any fungal or bacterial infection. It is not because you are dirty or unhygienic.

Available choices: a. Go to a good physician, dermatologist. An experienced doctor can tell you that you have psoriasis by merely looking at it once. b. It's because you have psoriasis. If you do not stop the dryness, it will not go away. c. You are an insect that is destroyed of all good since your skin somehow gets bad. This damages the surfaces of the cells making your skin very vulnerable to the bacteria. d. From here, however, you can begin to reduce or eliminate the dryness and the roughness. In some cases, psoriasis can occur in any form either naturally or accidentally.
a.