问题
单项选择题
Forwarding agent services are valuable in foreign trade because of the complicated（）that have to be made.
A.arrangements
B.formalities
C.procedures
D.process
答案
参考答案：A
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Forwarding agent services are valuable in foreign trade because of the complicated（）that have to be made.
A.arrangements
B.formalities
C.procedures
D.process
参考答案：A
