Which of these arguments provides the weakest support for the Supreme Court's decision that students have the right to wear the armbands to school?
A. Students at the school were allowed to wear other controversial
symbols.
B. Five previous court cases showed that armbands fall under First
Amendment protection.
C. The armbands were not shown to cause disruption or interfere
with learning.
D. Armbands are a form of expression, even though they don't involve
speech.