The answer is D
The argument talks about flood and then the risk of mosquitoes breeding in the standing water yet there no mosquitoes were found .The reason cited for this the presence of Diallyl sulfide .The substance kills mosques toes .
Out of the very other option only option D strengthens the argument that Diallyl sulfide is responsible for killing of mosquitoes because there were insects throughout the summer that were not harmed by the substance.
The argument talks about flood and then the risk of mosquitoes breeding in the standing water yet there no mosquitoes were found .The reason cited for this the presence of Diallyl sulfide .The substance kills mosques toes .
Out of the very other option only option D strengthens the argument that Diallyl sulfide is responsible for killing of mosquitoes because there were insects throughout the summer that were not harmed by the substance.
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