an idea that recurs in or pervades a work of art or literature
I think it it asking you if you would like to learn anything else on your topic or what you have been learning
Number 2 is a simple sentence
3 is a compound sentence because it had And inside it
1 is a complex sentence I think
4 is A
5 is B
6 is C
7 is A
I'd say just Mary Shelly's Frankenstein, as the others seem to be self-contained, demanding no research. Meanwhile, researching Mary's life and her era all give ample background as to the influence and history leading to the novel inventing the genre of science fiction.