The word "superfluous" (Line 4, Para. 3 ) most probably means______.

A．the positive effects of wearing uniforms
B．more negative effects of wearing uniforms
C．an alternative to wearing uniforms
D．the legal rights of those not wishing to wear uniforms

A．plead for the abolishment of uniforms
B．show that uniforms are not possible in a democratic society
C．advocate stronger governmental control on the wearing of uniforms
D．convince the reader that uniforms have more disadvantages than advantages