Difficult CR questions - please help!

[Jr12317]

@imlikeabird2

16. The author of Passage 1 characterizes the “default scenario” in lines 31-35 as
    A. creative
    B. inevitable
    C. tolerable
    D. unlikely
    E. undesirable

Read this part. the potential for unexpected consequences will worry many conservationists. He clearly states about the consequences so undesirable is the answer.