SAT Reading & Writing · Rhetorical Synthesis

A student has researched Wolbachia-based mosquito programs and compiled the following notes: - Wolbachia bacteria can reduce the ability…

A student has researched Wolbachia-based mosquito programs and compiled the following notes:
- Wolbachia bacteria can reduce the ability of dengue virus to replicate inside Aedes aegypti mosquitoes.
- Mosquitoes released carrying Wolbachia can spread the bacteria through local wild mosquito populations over time.
- A randomized trial conducted in Yogyakarta, Indonesia, found substantially reduced dengue cases in treated areas compared to untreated areas.
- The Wolbachia approach does not eliminate mosquito populations.
- The effectiveness of the approach depends on Wolbachia successfully establishing itself in the local mosquito population and on local ecological conditions.
- Wolbachia-based programs are being explored as a tool against several different mosquito-borne viruses.

The student wants to clarify that the Wolbachia approach controls disease transmission without eliminating mosquitoes entirely. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Answer and explanation

Answer: D: Because Wolbachia bacteria reduce the ability of dengue virus to replicate inside mosquitoes without eliminating the mosquito populations themselves, the approach suppresses disease transmission…

The goal requires naming both halves of the distinction: transmission control and the absence of elimination. D is the only choice built around exactly that pairing. A cites a supporting result without addressing the elimination question at all. C and B each name a separate, true detail without addressing the specific control-versus-elimination distinction the goal calls for.

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