Which excerpt from Tinker v. Des Moines shows how precedent helps support an argument? A.
"In our system, students may not be regarded as closed-circuit recipients of only that which the State chooses to communicate."
B.
"Other cases cited by the Court do not, as implied, follow the McReynolds reasonableness doctrine. West Virginia v. Barnette, 319 U. S. 624, clearly rejecting the 'reasonableness' test, held that the Fourteenth Amendment made the First applicable to the States."
C.
"Only a few of the 18,000 students in the school system wore the black armbands. Only five students were suspended for wearing them. There is no indication that the work of the schools or any class was disrupted."
D.
"I, for one, am not fully persuaded that school pupils are wise enough, even with this Court's expert help from Washington, to run the 23,390 public school systems [n4] in our 50 States."