Let's make sure that we understand Lola's argument. She believes that the yew trees should not be harvested, because it could have far reaching consequences for an ecosystem. She makes no exception for the fact that cancer patients could benefit from the new drug. Protecting the ecosystem is the priority.
This is why A, C, and D are all incorrect. Even if human lives are at stake, Lola still believes that the yew trees should not be harvested.
B is incorrect because Lola never suggests a compromise. She has already stated the endangered status of the owl, and the rarity of mature yews.
E is the correct answer. It matches Lola's argument, because protecting the environment takes precedence over developing the drug for cancer patients.
