39. What can we learn from the passage?
(A) How national parks around the world were established.
(B) How Yellowstone’s natural features were formed.
(C) Why Moran’s family moved to the United States.
(D) Why Moran started painting Yellowstone.
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統計: A(46), B(52), C(23), D(158), E(0) #3200435
統計: A(46), B(52), C(23), D(158), E(0) #3200435