17. Insects and plants in general appear to be more_______to climate changes. They are not well-adapted to sudden drop or rise of the temperature.
(A) liable
(C) tangible
(B) convertible
(D) vulnerable
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統計: A(0), B(0), C(0), D(1), E(0) #3364814
統計: A(0), B(0), C(0), D(1), E(0) #3364814