(38)According to John West, what caused the vertical marks on the Sphinx?
(A) Strong winds and sandstorms.
(B) Long exposure to the sun.
(C) Rubbing of other bedrocks.
(D) Erosion from rain.
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統計: A(2), B(5), C(3), D(4), E(0) #1294640
統計: A(2), B(5), C(3), D(4), E(0) #1294640