39. When did archeologists become aware of the possible value of the contents of the tarpits?
(A) During the Ice Age
(B) Thousands and thousands of years ago
(C) Early in the twentieth century
(D) Within the past decade

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統計： A(11), B(19), C(206), D(18), E(0) #1598330

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B1 · 2021/06/20

#4819688

In 1906, the remains(遺骸) of a huge prehistoric bear discovered in the tarpits alerted archeologists to the potential treasure lying within the tar.