43 The discovery of a potential cure for the disease marked a_________moment in medical research, offering hope to countless patients worldwide.
(A) total
(B) pivotal
(C) conventional
(D) indefinite
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統計: A(12), B(99), C(60), D(75), E(0) #3342623
統計: A(12), B(99), C(60), D(75), E(0) #3342623