2 Which of these selections from the article best supports the author's claim that hosting the Olympics is a "giant money pit"?
O A. "On the other side of the ledger are the revenues."
O B. "The large majority of scholarly studies concludes
that there is no positive economic impact from
hosting."
O C. "The games' promoters, however, claim the real
payoff comes in increased tourism, foreign investment,
and trade."
O D. "Whether the IOC eventually takes the necessary
bold steps or it tinkers with tepid reform remains to be
seen."

Seems like the answer is B to me.

faulty parallelism is a grammar construction where there is no balance in the parts of a sentence they have a similar meaning but the grammar structure is not equivalent.

the correct version of this faulty parallelism in the sentence is:

jefferson wrote the declaration of independence, and he was the nation's third president.

the problem with the first version is that the sentence:

"jefferson was both the writer of the declaration of independence"

presents jefferson as both a subject and an agent for the verb "write" because if he was "the writer" then the declaration of independence was written by him, besides that fact, the sentence presents a dependent clause.

while the second sentence:

he was the nation's third president.

presents a basic subject+verb+object structure

so, to give a proper balance to the structure, or better said, to give a parallel structure, we must write a basic s+v+o structure in both sentences:

jefferson wrote the declaration of independence, and he was the nation third president.

what are the questions?