A clean credit is one which ______.A．calls for no presentation of itB．is used instead of first demand guaranteeC．is used without presentation of any documentsD．is the same as an unconditional first demand guarantee
题目
A clean credit is one which ______.
A．calls for no presentation of it
B．is used instead of first demand guarantee
C．is used without presentation of any documents
D．is the same as an unconditional first demand guarantee