What effects does the author of paragraph B think mandatory uniforms would have?
选项：

A:A uniform will greatly inhibit gang behavior since they will no longer be able to wear gang colors.
B:School uniforms will instill a much-needed sense of discipline in our student body.
C:Students dressed in uniforms will feel a strong sense of community with their peers.
D:Students were wearing school uniforms, administrators and teachers would no longer have to be clothing police.