Câu 108: GMAT Section 3 Verbal Ability: Section Three Verbal Ability

Organic farmers are looking for non-chemical methods to rid their crops of pests. Giving crops a slight electric shock has no ill effect on crops but rids them of caterpillars. This method should be employed by organic farmers all over the country. Which of the following, if true, most strongly supports the view that it would not be advisable to try to eradicate agricultural pests with the method mentioned above?

1. A. Most species of caterpillar are subject to some natural predators.
2. B. Many agricultural pests do not go through a caterpillar stage.
3. C. This method also kills insects that are agriculturally beneficial. — đáp án hiện tại
4. D. Since caterpillars of different species appear at different times of the year, several shocks would be necessary.
5. E. No large-scale production facilities exist today for the product that electrifies crops.