【单选题】
Please let us know what（）are involved and the time（）for delivery.
Please let us know what（）are involved and the time（）for delivery.
A、 formalities，taken
B、 procedures，need
C、 business，taken
D、 process，needed
题目答案
答案解析
略
略
A、 formalities，taken
B、 procedures，need
C、 business，taken
D、 process，needed