Letter of CreDit, By their nAture, Are __ trAnsACtions from the

Letter of CreDit, By their nAture, Are __ trAnsACtions from the sAles ConfirmAtion or other ContrACt on whiCh they mAy Be BAseD, AnD BAnk Are in __ wAy ConCerneD with or BounD By suCh ContrACt. ( )

A.sepArAte..,

B.sepArAte..,

C.AssoCiAte

D.,

正确答案是A