Read the sentence given in direct speech. Complete the corresponding sentence in indirect speech by choosing the correct option. Aman said to his mentor, “I am learning advanced data analytics this semester so that I can enhance my problem-solving skills and improve my employability opportunities after graduation.” Aman ________

1. said that he was learning advanced data analytics that semester to enhance his problem-solving skills and improve his employability opportunities after graduation.
2. told his mentor that he was learning advanced data analytics that semester so that he could enhance his problem-solving skills and improve his employability opportunities after graduation.
3. said to his mentor that he had been learning advanced data analytics that semester to enhance his problem-solving skills and improve his employability opportunities after graduation.
4. told his mentor that he is learning advanced data analytics that semester so that he could enhance his problem-solving skills and improve his employability opportunities after graduation.