The section of the companies Act, 2013 which contains provisions regarding remuneration of the auditor is:

Answer: Option B

Section 141 of the Companies Act, 2013 contains provisions regarding the remuneration of auditors. This section specifies various aspects related to the appointment, remuneration, and terms of auditors' services for companies governed by the Act.

It outlines the eligibility criteria for auditors, their appointment by shareholders, the determination of their remuneration, and the limitations on additional services they can provide to the company.

Therefore, the correct option is Section 141.