If you are writing a paper to state the reasons why students should wear uniforms at school, which one of the following is the best thesis statement?
选项：

A:Students should wear uniforms at school because uniforms may probably make schools safer for students, and children can focus on their studies rather than their clothes.;
B:Students should not wear school uniforms since they infringe upon students' right to express their individuality.;
C:Students should wear uniforms at school because uniforms make schools safer for students, create a "level playing field" that reduces socioeconomic disparities, and encourage children to focus on their studies rather than their clothes.;
D:School uniforms are necessary for students since they can encourage children to focus on their studies rather than their clothes.