gEnErAlly spEAking, whEn thE hErFinDAhl-hirsChmAn inDEx (hhi) is CAlCulAtED By summing thE squArED pErCEntAgE mArkEt shArEs, how mAny lArgEst Firms DAtA is usED in A inDustry, supposing thErE is A lArgE numBEr oF Firms in thE inDustry:
A．

A. 4

B．

B. 10

C．

C. 50