In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

Q:

The student said, "I must study hard."

• 1
  The student says that he must study hard.
• 2
  The student say that he had to study hard.
• 3
  The student said that he had to study hard.
• 4
  The student says that he had to study hard.