36 The medicine does not seem to be _______, for all of his symptoms show no signs of improvement.
(A) inventive
(B) poisonous
(C) comfortable
(D) effective
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統計: A(53), B(75), C(99), D(1298), E(0) #362476
統計: A(53), B(75), C(99), D(1298), E(0) #362476