Aref said, "I must write a letter." বাক্যটির Indirect speech হবে----

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সঠিক উত্তর চিহ্নিত
ক Aref said that he has to write a letter.
খ Aref said that he had to write a letter.
গ Aref told that he would have to write a letter.
ঘ Aref told that he will have to write a letter.