9. If someone is unmoved by other people's problems, you might say he shows a ________
indifference to human suffering.
(A) quiescent
(B) callous
(C) holistic
(D) innocuous
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統計: A(11), B(9), C(10), D(6), E(0) #1802335
統計: A(11), B(9), C(10), D(6), E(0) #1802335