10. The author uses the term cautious optimism in relation to stem cell therapy to suggest that:
(A) researchers are uncertain about the future of the technique
(B) the treatment is guaranteed to succeed without side effects
(C) the treatment has failed in most experimental cases
(D) while promising, the approach requires further validation through research

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統計: A(4), B(0), C(1), D(6), E(0) #3430716

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【題組】10. The author ...
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