17. What do we know from the four notices?
(A) Maurice is a small dog.
(B) Vivi is in the hospital now.
(C) Mr. Chang is looking for his dog.
(D) Dr. Wu is giving away his black dog.
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統計: A(17), B(21), C(300), D(32), E(0) #2333580
統計: A(17), B(21), C(300), D(32), E(0) #2333580