例题如下：
Which of the following is not among the identified key mechanisms for the escaltion of engagement?
A. Submitting a share holder resolution
B.Operating collectively with other shareholders
C.Holding additional meetings with management
教材给的答案是选A, 对此答案存在疑惑，是否应该选C？A答案发起股东决议为什么不是升级参与的方式？在讲义中是有“submitting resolutions and speaking at general meetings”的句子明确这是一种escalation. 反而是C选项通常被认为是比较常规的。请详细分析一下。