I believe it is to express so D
C is the complex sentence because it contains the word while and an independent and dependent clause! :)
Simile you know when an author is using simile because they use like or as so in this case...
“Like stew beef vibrating the drum head near the edge with his fingers” hope this helps :)
Answer: I think if you are not joking than try to use less the modern technology.
Explanation: