For A) to be correct, it should be "The deli Worker gave him and her free slice of ham. For B) to be correct, it should be Eric told them about his Journey. For D) is also wrong! With that being said, C has the correct object pronouns.
Answer: to watch
Explanation: The gerund is defined as a form that is derived from a verb but that functions as a noun, in English ending in -ing. The infinitive is defined as the basic form of a verb, without an inflection binding it to a particular subject or tense. So, choose the -ing word (watching) and make it the infinitive (to watch).
A. Suspenseful / sounds like everything is on edge waiting for something bad to happen
He leaves the house and finds one of the guests has wrecked a car
