問題詳情

21. According to my doctor, my bleeding ear may be a _________ of a very serious disease.
(A) hospitality
(B) nutrient
(C) continent
(D) symptom

參考答案

答案:D[無官方正解]
難度:適中0.5
統計:A(2),B(4),C(0),D(7),E(0)