Read the passage and answer the following question:
The National Education Policy (NEP) 2020 is one of the most significant educational reforms introduced in India in recent decades. It aims to transform the education system to make it more holistic, flexible, multidisciplinary, and aligned with the needs of the 21st century. The policy replaces the 10+2 structure with a new 5 + 3 + 3 + 4 system, which focuses on the foundational stage and encourages critical thinking from an early age. One of the key effects of the NEP is the emphasis on mother tongue or regional language as the medium of instruction at the primary level. This has generated both appreciation and concern. While experts believe it will strengthen children's roots and understanding, some worry about challenges in implementation and the impact on English language proficiency. Furthermore, the NEP promotes vocational education, digital literacy, and interdisciplinary studies. It aims to reduce rote learning and exams-centric approaches by encouraging practical knowledge and creativity. If implemented effectively, the NEP could reshape India's educational landscape for generations to come.
Identify the sentence that contains a modal verb used to express possibility.
Show answer & explanation
Correct answer: D
Explanation
The sentence in option D contains the modal verb 'could', which is used here to express a possibility or potential outcome based on a condition ('if implemented effectively').