Answer:
C. Internal environment D. Employees
Explanation:
According to the given situation, option C and option D is best as the group of customers that are existing in nature opinion that the workforce is well qualified as these are taking proper care of the dearest dogs. Moreover, the supervision could be more reliable, trusty and best at their level as it contains the legal and qualified workforce
So the internal environment and the employees are the best options that is fit in the given scenario