It just means I now have a better understanding of what's （） stake, and how giving up is not an option.（Saflem: Why I keep speaking up even when people mock my accent）

It just means I now have a better understanding of what's （） stake, and how giving up is not an option.（Saflem: Why I keep speaking up even when people mock my accent）
A.at
B.on
C.for
D.by
正确答案：at