問題詳情
【題組】24. What does “this” in the last paragraph refer to?
(A) The importance of pets in their owners’ lives.
(B) The contribution of pets to medical research.
(C) The difficulty of keeping one’s pet healthy.
(D) The conflict between patients and doctors.
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)