问题补充：
The thief, who was put in prison. had feeling of guilt(内疚), so he made great progress.
A. the, a, X
B. X, the, a
C. the, X, a
D. X , a, X
答案：
A. the, a, X
B. X, the, a
C. the, X, a
(答案→)D. X , a, X
解析：考查冠词：第一空不填，put sb in prison把某人送进监狱，第二空填a，a feeling of guilt一种内疚的感觉，第三空不填，progress是不可数名词，不加冠词，句意：被送进监狱的小偷有一种内疚感，因此他进步很大。选D。
