31. What does did it in Picture 7 mean?
(A) Fall to the ground.
(B) Cut down the last trees.
(C) Move the statues to fighting grounds.
(D) Understand how important trees were.
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統計: A(23), B(166), C(41), D(76), E(0) #3439501
統計: A(23), B(166), C(41), D(76), E(0) #3439501