The answer is A. testosterone.
The testosterone hormone helps make body hair, muscle, and deepens your voice.
Hope this helps.
a category of artistic composition, as in music or literature, characterized by similarities in form, style, or subject matter.
We distinguish between "sex" and "gender".
Your sex is what you're born as, the physical body, you're either a man or a woman.
Your gender is something that you construct. That means, you may feel like either a man or a woman.
In some cases your physical sex and your constructed gender don't match, and you have people who feel as if they had been born in the wrong body.
I believe the answer is: the suggestibility of the individual who is to be hypnotized
Suggestibility in this context refers to the inclination of the person to accept the act of hypnosis that being done to that person. This would make them much more open to follow the instruction given during the hypnosis, which most likely lead to higher chance of success.