问题详情

______canobtainpackingloanfromabankwhenitreceivestheletterofcreditissuedinitsfavour,butthefinanceavailablewillnotusuallyexceed______oftheL/Camount.
A．Theexporter...90%
B．Theexporter...110%
C．Theimporter...90%
D．Theimporter...110%

请帮忙给出正确答案和分析，谢谢！