Im not sure but I think that it is C.
(let me know if I am wrong please)
I hope this helps ^-^
Is after the underlined word? If so, it'd be a preposition. It's followed by a noun.
The title could be interpreted as a story about a man's dream and the confusion of was he dreaming or did it actually happen. Or it could be interpreted as a delusion a man had and he is having trouble figuring out the difference between reality or imagination.
They rely on me pretty much. I have an older brother so it's not that much but I do a lot for my family. I think that if they relied on me less I would never learn to be responsible for myself or anyone else.
I hope this is what you were looking for!