After receiving the sign, Zhu announced that he had received the of .

d is the best answer for this question.

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.

he came up or eelped come up with the jersy plan