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TAS English QUESTION #5448
Question 1
In 2016, Vanessa Galvez installed 164 bioswales in Queens. By reducing runoff flowing into sewers, ____
  • the mitigation of both flooding and pollution has been achieved by bioswales.
  • the bioswales have mitigated both street flooding and resulting pollution.✔️
  • the bioswales mitigation of both flooding and pollution has been achieved.
  • both street flooding and resulting pollution have been mitigated by bioswales.
Correct Answer Explanation
The active voice and clear subject "bioswales" make option B most direct and standard.