GMAT Sentence Correction (SC) | The Final days of marie, for most of her life regarded to be

The Final days of marie, for most of her life regarded to be egregiously sly and selfish exploitative,were endured with unexpected dignity and remorse.
a) The Final days of marie,for most of her life regarded to be egregiously sly and selfishexploitative,were endured
b)for most of her life regarded to be egregiously sly and selfish exploitative,marie's final days were endured -Who's life marie or marie's last days?
c)marie ,for most of her life regarded as egregiously sly and selfish exploitative,
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