Final answer:
The instructor likely concludes that sheep were the logical agent for the beginnings of golf in eastern Scotland, as their grazing created natural terrain features conducive to the game's development.
Step-by-step explanation:
The logical agent for the beginnings of golf in eastern Scotland, as concluded by the instructor, is c) Sheep. Although the provided information talks about various animals and their behaviors or the scene at the golf course, it does not directly address the origins of golf. However, historically, it is believed that sheep, which were prevalent in Scotland, helped create the landscape that was conducive to the early game of golf. Their grazing would lead to natural depressions and varying terrains, which are key elements of modern golf courses.