I believe it is D because he is using negative thought to TRY to give bad thoughts on Clark. If by doing so he may convince some people that Clark is a bad person.
C frame format is the answer.
Answer: plasma membrane
Explanation: The membrane that cover the cell is called plasma membrane. It is a semipermeable membrane. The membrane present around a cell is a fluidic membrane called plasma membrane.
( I hope this helped <3 )
