In the line "the revolutionary nature of Alexandra David-Neel's life must be put into a modern perspective," what does the word revolutionary most nearly mean?

A change from old ways of doing things

Explanation:

There are no available options to choose from, but based on the meaning of the word "revolutionary" and its context in usage, the word 'revolutionary' most likely means a change from established ways of doing something.

The word revolutionary means something that involves complete and drastic changes.

b. failure at least that one seems the most negative out of all of the answers provided pls correct me if i'm wrong. : ))