Answer: employees of the audit client.
Step-by-step explanation:
The options to the question are:
A. employees of the CPA firm.
B) employees of the audit client.
C) other CPA firms engaged to do part of the audit work.
D) specialists employed by the CPA firm to provide technical advice on the audit.
Agency law simply means the agent-principal relationships which is a relationship whereby one party has a legal authority to act and represent the other party.
Based on the above question, the partners of CPA firm are liable for the work of the firm that they are representing. In this case, they'll be liable for the employees of the CPA firm, other CPA firms engaged to do part of the audit work and the specialists employed by the CPA firm to provide technical advice on the audit.
Therefore, the employees of the audit client is not part of the people that them. Hence, this is the answer.