10. It sometimes happens that we have enough _______ for those in need but can do little for them.
(A) average
(B) instance
(C) balance
(D) sympathy
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統計: A(1), B(3), C(4), D(42), E(0) #2088205
統計: A(1), B(3), C(4), D(42), E(0) #2088205