This discrepancy (was intriguing to) Alfred Wegener, a young geologist (working in) Greenland in 19He thought (the error) too great to be (accounted) easily.
A.
as loud as
B.
working in
C.
the error
D.
accounted
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参考答案:
举一反三
【单选题】Other scientists are looking at experiments that are similar in that they are .