Which sentence does NOT demonstrate a flaw in logic?
A) People who oppose this requirement don’t understand that if we don’t start making service-hours a requirement that in the future, charities will run out of volunteers and stop serving those in need—possibly resulting in a rise in our nation’s crime rate!
B) Some selfish people don’t want this additional requirement simply because they don’t want people to help or serve other people!
C) It is vital that we help students learn to serve others now while they are still young and impressionable.
D) In short, there are no real downfalls to requiring service hours as a graduation requirement.

the correct answer is c. on usatestprep

Explanation:

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.

yeah, i think its a good thing what do you think?