Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the questions from 34 to 40.

Artificial Intelligence (AI) has emerged as a powerful tool in the field of education, transforming the way we learn and teach. AI-powered educational latforms and applications are revolutionizing the classroom experience by providing personalized learning opportunities. Adaptive learning systems use AI algorithms to analyze individual student data, identifying strengths and weaknesses, and tailoring educational content accordingly. This personalized approach helps students learn at their own pace, filling gaps in knowledge and promoting deeper understanding. AI-based virtual tutors offer immediate feedback, guiding students through complex concepts and providing additional support when needed.

Furthermore, AI is facilitating the creation of immersive learning environments. Virtual reality (VR) and augmented reality (AR) technologies powered by AI allow students to explore historical sites, conduct virtual experiments, and engage in simulated real-world scenarios. This hands-on approach enhances student engagement, fosters critical thinking, and promotes problem-solving skills.

AI also assists educators in administrative tasks, such as grading and assessment. Automated grading systems utilize machine learning algorithms to evaluate student work, providing efficient and consistent feedback. This saves time for teachers, allowing them to focus on instructional strategies and individualized support.

However, it is important to address the ethical considerations and challenges associated with AI in education. Privacy concerns, data security, and the potential for algorithmic bias must be carefully managed to ensure equitable access and fair treatment for all students.

In conclusion, AI is revolutionizing education by offering personalized learning experiences, immersive environments, and efficient administrative support. By leveraging the power of AI, we can create a more inclusive, engaging, and effective education system that prepares students for the challenges of the future.

What does the word "They" in paragraph 3 refer to? A. transportation methods B. organic food options C. people D. carbon footprints