For Advisor/Counselor, which base word is used with 'agent'?

• A. Counsel
• B. Guide
• C. Advise
• D. Recommend

Answer: (C)

The concept here is how occupational names are formed from a verb plus a suffix to mean “a person who does this.” For someone who gives advice, the common job title is formed from the verb advise plus the agent suffix -or, yielding advisor (or adviser). So the base word that pairs with the agent concept is advise, because the role is defined by the action of advising. While counselor comes from counsel, the prompt specifically points to the form used for the advisor role, which is based on advise. The other options don’t produce the familiar occupation name for this role in the same way: guide would not typically give an agent noun with a standard spelling, and recommend leads to a different noun like recommender.