17. A:Hey, did you see the boy and the dog _____ were taking a walk by the pond? B: Not at all.(A)　

問題詳情

17. A:Hey, did you see the boy and the dog _____ were taking a walk by the pond? B: Not at all.
(A)　 what　
(B)　who
(C)　which 　
(D)　that