Choose the option that is the correct direct form of the sentence.
He said that he had taken French lessons on Duolingo.

Correct option is A

The correct direct form is (a) He said, “I have taken French lessons on Duolingo.”
Direct Speech: When the exact words of the speaker are quoted using quotation marks, it is called direct speech.
Indirect Speech: When the speaker’s words are reported without quoting them exactly, it is called indirect speech.
Explanation:
· Indirect: “he had taken” → Past Perfect
· Direct: becomes “I have taken” (Present Perfect)
· Reporting verb “said” remains unchanged
·  Grammar Rule: While changing indirect to direct, reverse pronouns and tenses appropriately.