Read the passage.

i busied myself to think of a story. … i thought and pondered—vainly. … have you thought of a story? i was asked. … i was forced to reply with a mortifying negative. … [later] i placed my head on my pillow, i did not sleep, nor could i be said to think. my imagination, unbidden, possessed and guided me, gifting the successive images that arose in my mind. .

according to the introduction to frankenstein by mary shelley, which describes the contrast between her first attempts to think of an idea and her final inspiration of an idea?

a) her final inspiration involved deliberate observation, which led her to an idea.
b) her final inspiration involved outlining some possible ideas rather than muse.
c) her final inspiration did not involve a conscious effort, yet a fertile idea came to her.
d) her final inspiration did not involve imagination rather careful research yielded an idea.