21. Our office allows a __________ to work abroad, which is that a person,or a group, authorizes someone to serve as his or her representative for a particular task of responsibility.
(A) consignment
(B) delegation
(C) promotion
(D) submission。
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統計: A(44), B(59), C(29), D(42), E(0) #2236392
統計: A(44), B(59), C(29), D(42), E(0) #2236392