NO.PZ2025012101000023
问题如下：
The efficacy of shareholder engagement depends on:选项：
A. the amount of security in free float.
B. the length of ownership of shareholders.
C. whether divestment is known to be a possible sanction.
解释：
C is correct. Shareholder engagement is used by investors to influence a corporation’s decisions on ESG matters. Its efficacy depends on such factors as ownership levels and the threat of divestment, not the amount of security in free float.这个题B选项似乎也对啊
