Official 17 Passage 1 Symbiotic Relationships
这个题不错
Which of the following can be concluded from the discussion in paragraph 3 about the Australian rabbit population?
A. Human intervention may alter the host, the parasite, and the relationship between them.
B. The risks of introducing outside organisms into a biological community are not worth the benefits.
C. Humans should not interfere in host-parasite relationships.
D. Organisms that survive a parasitic attack do so in spite of the natural selection process.
