老师，有如下题目需要请教。债权人是无权参与公司治理与决策流程的，因此基本上无法参与股东大会的投票。因此，这道题目，我认为选项A是正确的，不知理解是否正确？谢谢！
For investor in corporate fix-income securities, engagement is most likely to be effective if conducted:
A before the security is issued
B through the divestment process
C at the annual general meeting via voting
