Q40:
Two centuries ago, Tufe Peninsula became separated form the mainland,
isolating on the newly formed Tufe Island a population of Turfil sunflowers.
This population’s descendants grow to be, on average, 40 centimeters shorter
than Turfil sunflowers found on the mainland. Tufe Island is significantly
drier than Tufe Peninsula was. So the current average height of Tufe’s
Turfil sunflowers is undoubtedly at least partially attributable to changes
in Tufe’s environmental conditions.
Which of the following is an assumption on which the argument depends?
A. There are no types of vegetation on Tufe Island that are known to benefit
from dry conditions.
B. There were about as many Turfil sunflowers on Tufe Peninsula two centuries
ago as there are on Tufe Island today.
C. The mainland’s environment has not changed in ways that have resulted in
Turfil sunflowers on the mainland growing to be 40 centimeters taller than
they did two centuries ago.
D. The soil on Tufe Island, unlike that on the mainland, lacks important
nutrients that help Turfil sunflowers survive and grow tall in a dry
environment.
E. The 40-centimeter height difference between the Turfil sunflowers on Tufe
Island and those on the mainland is the only difference between the two
populations.
請問一下 C哪裡假設
我可以排除其他答案 但是我不知道C假設在哪
(ADB)無關議題
(E) the only 刪
我有試過取非反駁 可是也不知道反駁在哪
謝
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