84. We cannot meet your latest shipment date and expiry date. Please ______ your L/C to ______ them both by 15 days.
(A) modify ； delay
(B) revise ； lengthen
(C) change ； expand
(D) amend ； extend

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統計： A(1), B(1), C(0), D(2), E(0) #2968323