英语,单项选择,说明选择理由

问题描述:

英语,单项选择,说明选择理由
1.The thief ___________when he saw someone find him.
A.run away   B.ran away\x05\x05C.is running away  D.was running away
2.—___________did you spend working out the problem?— About two hours.
A.How much  \x05B.How many\x05\x05C.How soon  D.How long

B 逃跑了
D 多长时间
请及时采纳,多谢!第一题的参考答案为什么是D?