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.
C and D those who work and the who assigned jobs
A simple subject is the thing doing the verb, but excluding any extra details about the subject.
In this case, the subjects would be “men and melons”.
A simple predicate is just the verb, instead of the entire verb phrase.
In this case, the verb would be “are”.
No:( I wanna start watching tho