An infinitive is a phrase or sentence that cannot be tested for tense, number and mood. They are marked by -ing, to +verb, and -ed²/-en verb. Hence, option A Having visited farm.
What are infinitives?
Infinitives are the basic form of a verb, without an inflection binding it to a particular subject or tense. It takes the form of “to + verb” in its simplest form. An infinitive expresses an action or state of being.
learn more about infinitives: https://brainly.com/question/449147
#SPJ1
