题目内容：
A German taxi-driver, Franz Bussman, recently found his brother who was thought to havebeen killed twenty years before. While on a walking 21 with his wife, he stopped to talk to a workman. After they had gone on, Mrs. Bussman said that the workman was closely 22 her husband and even sug- gested that he might be his brother. Franz laughed 23 the idea, pointing out that his broth- er had been killed in 24 during the war. Though Mrs. Bussman knew this story quite well, she thought that there was a chance in a million that she 25 be right.
A few days 26 , she sent a boy to the workman to ask him if his name was Hans Bussman. Needless to say, the man's name was Hans Bussman. And he really was Franz's 27 brother. When the brothers were 28 , Hans explained 29 it was that he was still 30
After having been wounded towards the end of the war, he had been sent to hospital and was 31 his unit. The hospital had been bombed and Hans had made his way back into Western Germany on foot. 32 , his unit was lost and all 33 of him had been de- stroyed. Hans 34 to his family house, but the house had been bombed. Guessing that his family had been killed during anair-raid (空袭), Hans settled down in a village fifty miles away where he had remained 35
根据以上内容,回答题.
第21题应填入( ) A．hour
B．way
C．tour
D．Time
参考答案：
答案解析：