12. After the fire, everyone in the apartment was ______ when they cooked. They did not want any people to be hurt again.
(A) more carefully
(B) more careful
(C) the most careful
(D) the most carefully
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統計: A(192), B(252), C(28), D(28), E(0) #2716751
統計: A(192), B(252), C(28), D(28), E(0) #2716751