問題詳情
【題組】9. According to the passage, animal young are most defenseless when
(A) their parents are away searching for food
(B) their parents have many young to feed
(C) they are only a few days old
(D) they first become independent
參考答案
答案：D
難度：簡單0.818182
統計：A(0),B(2),C(0),D(9),E(0)