The correct answer is B) It was proven that other students were allowed to wear controversial symbols, so their suspension was unconstitutional.
<em>The best statement that summarizes the dissenting opinion is "It was proven that other students were allowed to wear controversial symbols, so their suspension was unconstitutional."</em>
We are referring to the Tinker v. Des Moines Supreme court case that connected two students who wore black armbands to school to protest the Vietnam war. The school district created by suspending the students, possibly violating their right to free speech. And they went to court.
The situation was that one year before this incident, students were allowed to wear black armbands for a situation that happened in the school. So this time, when the students wanted to protest expressing its unconformity for the Vietnam War, the school limit impeded their right to freedom of speech.