- - C.<span>He; subject
This is because if "X and Harold" are the subjects, and to complete this using "he", it would also have to be a subject.
He and Harold </span><span>are going on a camping trip next month.</span>
D. Furthermore, the bonus you gave yourself, despite the tight school budget, proves you are unconcerned with maintaining our state-of-the-art facilities.
I would interpret it as how people only look at reality, not what's inside or what they can't see.
There is no description so I am not sure, however I believe it is C. Cytoplasm