31. Why didn't the humans or dogs respond to the sound of a baby babbling?
(A)Because a baby babbling is too soft to be heard.
(B) Because the humans and dogs do not share empathy to the sounds.
(C) Because a baby babbling does not evoke any specific emotion.
(D) Because the humans and dogs do not like the baby's babbling sound.
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統計: 尚無統計資料
統計: 尚無統計資料