Question ID:PT56 S3 Q5 Passage:Gardener: Researchers encourage us to allow certain kinds of weeds to grow among garden vegetables because they can repel caterpillars from the garden. While it is wise to avoid unnecessary use of insecticides, the researchers' advice is premature. For all we know, those kinds of weeds can deplete the soil of nutrients and moisture that garden crops depend on, and might even attract other kinds of damaging pests. Stem:Which one of the following most accurately expresses the main conclusion of the gardener's argument? Correct Answer Choice:DChoice A:To the extent that it is possible to do so, we should eliminate the use of insecticides in gardening. Choice B:Allowing certain kinds of weeds to grow in vegetable gardens may contribute to a net increase in unwanted garden pests. Choice C:Allowing the right kinds of weeds to grow in vegetable gardens can help toward controlling caterpillars without the use of insecticides. Choice D:We should be cautious about the practice of allowing certain kinds of weeds to grow among garden vegetables. Choice E:We should be skeptical about the extent to which certain kinds of weeds can reduce the presence of caterpillars in gardens.