"活得够本"就是经历多。多重含义。
1. 表示不甘平淡,渴望丰富的经历。Articulating a desire for adventure and varied experience.
例: 我不要学我爸,循规蹈矩,过的是负责而平淡的生活,苍白而乏味,我不要让社会告诉我我该怎么活,我要活得精彩,活得够本。
2. 慨叹生命坎坷,天意弄人。
例: 她幼年父母双亡,二十多岁时丈夫交通意外去世,现在三十出头,又得了癌症,她这一生,活得够本了。
例: 从二十八岁到六十三岁,三十五年间,每次政治运动,他都挨批挨斗,没有几年是过正常生活的,活得够本了。
3. 传奇人生
例: 英国女演员伊丽莎白·泰来,十二岁出道,一生结过八次婚,赢过奥斯卡,获英女王授女爵士勋衔,曾经是世上最美丽的明星,中年酗酒,治好了又病魔缠身,终年七十九,留下遗产以亿元计,可谓活得够本。
There are many nuances to this expression. It is not that simple and straightforward.
I would be hesitant about choosing any of your four options as a good explanation. If you put a gun to my head and force me to choose, I would choose 4, but please understand that 4 is very simplistic and may mislead you into using the expression wrong.
If you quote the complete sentence or paragraph you saw, then we could discuss further here.