Each of the following questions has a paragraph from which one sentence has been deleted. From the given options, choose the one that completes the paragraph in the most appropriate way. Education is widely regarded as one of the most powerful tools for social mobility. Access to quality schooling enables individuals to develop skills, acquire knowledge, and improve their economic prospects. However, educational opportunities often vary significantly between urban and rural areas. (______________). Addressing these disparities is essential for building a more equitable and inclusive society.