[单项选择题] You ______ 1/3 down payment with the order and the balance to be paid against a confirmed irrevocable L/C.
A.ask
B.call
C.call on
D.call for
正确答案:D

[单项选择题] You ______ 1/3 down payment with the order and the balance to be paid against a confirmed irrevocable L/C.
A.ask
B.call
C.call on
D.call for
正确答案:D