3. At the start of the influenza outbreak health workers were not taking proper ______and the disease spread through hospital staff.
(A) stimulants
(B) inscriptions
(C) objectives
(D) precautions
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統計: A(25), B(34), C(42), D(207), E(0) #3414296
統計: A(25), B(34), C(42), D(207), E(0) #3414296