阿摩線上測驗
12. The institutional review board mandated that the principal investigator _____________ all raw data to the ethics board before proceeding with the second phase of the clinical trial.
(A) submit
(B) submitted
(C) would submit
(D) will submit
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統計： A(1), B(0), C(2), D(0), E(0) #3911328
統計： A(1), B(0), C(2), D(0), E(0) #3911328
