ACCorDing to thE ChArACtEristiCs oF thE CApitAl mArkEt, whiCh oF thE Following is most DirECtly A FunCtion oF primAry CApitAl mArkEts AnD whiCh is most DirECtly A FunCtion oF sEConDAry CApitAl mArkEts primAry CApitAl mArkEts sEConDAryCApitAl mArkEts ①
A、sourCE oF liquiDity sECurity unDErwriting ②B、sourCE oF nEw CApitAlsourCE oF priCE inFormAtion ③C、sourCE oF priCE inFormAtion sourCE oF nEw CApitAl
A、

A、①

B．

B、②

C．

C、③