I go for D.
From the question, I know that the policy analyst accepts NOT goes against the arguement: Most government agencies become less effective over time.
He goes against the latter opinion on elimination of 10-year-serving agency. And the second bold phrase is the evidence for his opinion.

Can anyone explain why described by and denounced by correctly refer to tax breaks, not local governments?

D & E are out immediately as banked should parallel with overlaid.
C is out because of parallel structure overlaid with and banked with
B is out because of redundance that of
Therefore, A is the correct answer

Here is my approach: Premise 1: Monday after 7/4, 2x trash in the street & parks. Premise 2: Downtown Rosco Lake is a major tourist destination Conclusion: tourist is the cause of trash Question: called into question -> Tourist is not the cause of trash (A) Time line: Trash on weekends - Volunte...

Thanks DanaJ,
The question is tough enough to make me feel the true importance of looking for DETAILS in RC

I go for B as the premise of the question ask for reason to UNDERMINE the explanation that at the center of M87, there won't have any Blackhole AND in answer B: preclude the existence of CONTEMPORARY phenomena observed in M87 -> it can't be a cluster of stars.

Hi Bill,
I thought 'this' refers the first clause as a whole. Why we need a singular noun in the first clause to make it correct ?

Hi Bill, I am not clear with the explanation of " Thus, we can use present tense ("are allowed"), but past perfect ("had been allowed") doesn't work with the meaning of the sentence. " I thought the action of dumping the waste into the Great Lakes happened before the ag...