C is the answer you are looking for. A common idea isn't a moral, the generalization is the Main Idea, but not quite the moral. The thought of the characters almost never have the moral in them. Therefore, C is your answer.
Answer:Mr. Hale says that there is blood on his head because he feels responsible for the deaths of the innocents who have been hanged prior to Act Four as well as for those folks scheduled to hang in the final act of the play.
Explanation: this is the correct answer
