【单选题】
For（）commodities as oil, sand and timber, rail is cheaper than road.
For（）commodities as oil, sand and timber, rail is cheaper than road.
A、 unpacked
B、 unpackaged
C、 bulk
D、 bundled
题目答案
C
答案解析
略
A、 unpacked
B、 unpackaged
C、 bulk
D、 bundled