问题
选择题
Hearing the doctor announce their son was safe and sound, the couple sighed with ________.
A．satisfaction
B．relief
C．interest
D．permission
答案
答案：B
题目分析：A. satisfaction满意，B. relief缓解，宽慰，C. interest兴趣，D. permission允许，句意：听到医生宣布儿子安然无恙，这对夫妇宽慰的松了口气。所以选B。