— How were things going that day?

— We were really tired out. We _____ 10 hours before we got to the village. [ ]

A. had walked

B. were walking

C. walked

D. have walked

（）对供方的供货质量、及时性、服务质量进行评价、记录、上报。

A.财务资产部

B.项目部

C.工程公司

D.工程技术部