The inspector l ooked at the ________ to check w her e the goods w ere pr oduced.

(A)bill of lading

(B)co m merci al in v o ice

(C)cer tifi c at e o f orig in

(D)co nsu l ar invo i c e

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統計： A(9), B(11), C(60), D(4), E(0) #281334