Question

Whether you operate your business from a small office at home or in a large plant environment, it's still referred to as your

Answer 1

A. Operating Plant     yup

Answer 2

The correct option is C.
An office building refers to a structure that is used primarily for the purpose of conducting business. The office may be large or small, it may be located in a large office environment or in a residential apartment. The basic thing about office building is that, it is the location where administration, clerical services. consulting services and other services related to business take place.