B is not the official answer.
Wanna try again?
In this case..I think the clause after "as" needs a subject...
Answer is A. You know, I was told once that in GMAT answer choices having the word "being" are almost always wrong. Still I chose C too.
oh well, i had a bad day.
X is celebrated today as Y
X = Y ..which is true ...
Actually as can be used as an adverb,conjunction ..the whole nine yards...
just couldnt seem to figure out which one's best...