阿摩線上測驗
49 Which of the following is closest in meaning to “natural parents” that appears at the end of the article?
(A) Related parents
(B) Biological parents
(C) Loving parents
(D) Lucky parents
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統計： A(299), B(2222), C(111), D(33), E(0) #532948
統計： A(299), B(2222), C(111), D(33), E(0) #532948
