It is C. Adverb. I'm not just gonna type this senctence so I can post the answer, as it'll be more than 20 characters.
-It was like bedrock.
-We embarked on our journey.
-excavation
- it smelled like a exquisite meal.
-the book was very intriguing.
-There was something about the methodical way he set the table that was cute.
A memoir is about you, or the person writing about a brief moment in their life..so pronouns mostly used would be in first person; I, myself, me, my, etc
