Which shows the best use of parentheses?

when did magic johnson first lead his professional team to a world championship: a 1980, b 1981, or c 1982?

when did magic johnson first lead his professional team to a world championship: (a 1980, b 1981, or c 1982? )

when did (magic johnson) first lead his professional team to a world championship: a 1980, b 1981, or c 1982?

when did magic johnson first lead his professional team to a world championship: (a) 1980, (b) 1981, or (c) 1982?

when did magic johnson (first lead his professional team) to a world championship: a 1980, b 1981, or c 1982?

the excerpt from chapter 2 of "animal farm", by george orwell that is an example of foreshadowing is "these three (snowball, napoleon, and squealer) had elaborated old major's teachings into a complete system of thought to which they gave the name of animalism." animal farm is an allegory of how czarist russia developed into communist russia with all its corruption. old major's teachings represent marx's theories turned into communism, animalism, by the three pigs. this foreshadows the oppression and corruption that will follow this revolt.

i think she wanted to protect her children from the extreme racism of the american south.