The person has a weird sense of what constitutes "reality" apparently one that can take various forms, apart from what everyone else knows. He/she has a strange understanding of what might constitute "absolute sense." Sounds like they are groping for some sort of philosophical abstraction - an exercise doomed to failure.
(1) The prefix root word of megalithic is mega, suggesting that the monument is large, complex, or has several uses. (2) This root word is also used in words like the following, even though it may have a slightly different meaning: megaphone (using the root word to mean loud), megahit (using mega as to mean well-known), and megabyte (using the root word to once again mean large). Two other prefixes you could use to mean large are maxi and macro. these are used in words like maximum and macrobiotic.
I believe the answer is C
Huh, what is the question