6.The author of this article rolled the log to ______________.
(A) make it burn more efficiently
(B) help the ants escape
(C) observe the burning process
(D) see the ants more easily
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統計: A(9), B(20), C(5), D(3), E(0) #1405534
統計: A(9), B(20), C(5), D(3), E(0) #1405534