When Tracy was told her son's illness could be cured, she left the hospital ．
A. in peace
B. in surprise
C. in time
D. in relief
网友回答
A. in peace
B. in surprise
C. in time
(答案→)D. in relief
解析：in peace和平地，安静地； in surprise 惊奇地； in time 及时； in relief如释重负，松了一口气。句意：当Tracy被告知儿子的病能够被治好时，她轻松地离开了医院。