47 What is most likely the author's attitude towards extreme sports?
(A)Passive and doubtful.
(B)Hopeful but uncertain.
(C)Supportive but worried.
(D)Objective and optimistic.
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統計: A(178), B(76), C(454), D(84), E(0) #1607996
統計: A(178), B(76), C(454), D(84), E(0) #1607996