问题详情

Whentheissueissyndicatedamongtheoriginalinvestmentbankerandotherinstitutions,______.
A．thereisonlyoneleadmanager
B．theremustbemorethanoneleadmanager
C．allthepartiesconcernedareleadmanagers
D．thereisoneleadmanagerormorethanoneleadmanager

请帮忙给出正确答案和分析，谢谢！