5. Not knowing his credit card number, Leo couldn’t fill in his payment _____ and could only cancel the purchase.
(A) debts
(B) details
(C) devices
(D) designs
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統計: A(81), B(182), C(54), D(12), E(0) #3036933
統計: A(81), B(182), C(54), D(12), E(0) #3036933