Answer: The rock represents Cole's ancestors. It is a physical reminder that their lives are part of him. Letting it go helps Cole release his anger and learn respect.
The 2nd option you gave us, is your answer
I believe the correct answer is 20th Century: made.
"...when those muscles and joints were rendered capable of motion..." is used to mean - when Frankenstein was made, he was given the ability to move. The other options don't really convey the same meaning, so I believe the last option is correct.
C. Writers have a lot of control over their topics.
By definition, reflexive writing or self-reflexive writing
concerns the writer’s feelings, thoughts and personal experiences. This allows
the writer to analyze and express certain events in their lives. It started in
the 1980s for literary criticism and was adopted for cultural studies in the
1990s. It has been used as technique for learning and/or research in order to
have a more complete and engaging analysis of an experience through the
combination of observations and critical thinking.