To make this a proper sentence, the semicolon is meant to be placed for a separate sentence but is related to the first sentence, usually being a list.
I'll go along until we come across the most grammatically correct.
Tellington touch therapy benefits pets in a number of ways; The therapy reduces stress levels, awakens cellular intelligence, and encourages bonding between owner and pet.
This works VERY well, as it provides examples after the first sentence to support the idea.
Your answer is A.) Ways.
I hope this helps!
