[单选题]Firms raise capital by issuing stock ()CEx答案窝(daanwo.com)-大学生作业答案及考资分享平台 Ain the secondary market.CEx答案窝(daanwo.com)-大学生作业答案及考资分享平台 Bin the primary market.CEx答案窝(daanwo.com)-大学生作业答案及考资分享平台 Cto unwary investors.CEx答案窝(daanwo.com)-大学生作业答案及考资分享平台 Donly on days when the market is up.