In Columbia, all students are required to wear uniforms in both public and private schools. Uniforms in Columbia consists of 2 sets; one for every day use and one for physical education. Everyday use uniforms for girls generally include a knee length skirt, a white T-shirt with a vest, and a long white mid calf sock. Boys typically wear long dark pants and a long or short sleaved shirt. The shirt usually has the school symbol on the left side. The sports uniform consists of sweatpants, a collared T-shirt, and white sports shoes. The designs and the colors of the uniforms depend on the school's colors and the principles preference. in Spain, uniforms are not mandatory in public schools unless as school council votes to require uniforms. Although uniforms are not mandatory in public schools, most private schools require their students to wear uniforms. A typical girls uniform consists of a shirt and Jersey skirt, while boys were pants and a white T-shirt with a jacket.

Based on the text which statement is true?
A. uniforms are necessary in every school in Spain but optional and Columbia.
B. students only decide whether to use uniforms in schools in Columbia.
C. adults only decide whether to wear uniforms in every school in Spain.
D. uniforms are mandatory in Colombia in every school but not in spain