GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - BL63407INWER5THLJ

The passage suggests that the proliferation of ragwort was particularly ill-timed because it A. coincided with and exacerbated a decline in agriculture B. took place in conditions that enabled the ragwort to spread faster than it otherwise would have done C. led to an increase in the amount of toxic compounds contained in the plants D. prevented people from producing honey that could be eaten safely E. had consequences for livestock that were more dramatic than they otherwise would have been