I believe your best answer A. "Big Year" birders compete for honor, love and record-setting. 1) honor and record-setting: As stated, 'most people who want to break such a record...' 2) love: "... most people who want to break such a record know the greatest rewards are not necessarily winning. Such rewards are in being able to commit a year of your life to <em>doing something you love.</em>" (emphasize added)
Part B: F. Most birders <em>take pride </em>in their reputation and their abilities to see or hear and then identify a bird. (emphasizes added).
"Most birders take great pride in their reputations and their abilities to see or hear and then identify a bird. Usually, important sightings of the rare birds needed to get counts in the 700s are visited by hundreds of birders. It is pretty hard to cheat your way to a record-breaking year, but in general, few are interested in cheating."
H. Such rewards are in being able to commit a year of your life to doing something you love
"... the birds these contestants are counting are the number that they see in a particular year."
I believe it is option "D.) The flu vaccine is not reliable enough to be worthwhile" It would have a negative impact on the economy due to people not spending money to have the flu vaccine.
