4. Penicillin saved the lives of Allied soldiers in the Second World War who would otherwise ______ from sepsis and made complex surgeries safe.
(A) die
(B) be dead
(C) have died
(D) be dying
(E) have dyed
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統計: A(0), B(0), C(7), D(0), E(0) #3853931
統計: A(0), B(0), C(7), D(0), E(0) #3853931