43. According to the author’s opinion, if bromelain is proposed to be wildly used, the following issue is important
(A) the price,
(B) safety,
(C) more clinical trials should be performed,
(D) market should be exploited.
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統計: A(0), B(0), C(2), D(0), E(0) #1504625
統計: A(0), B(0), C(2), D(0), E(0) #1504625