In indirect speech for interrogative sentences, if is used as a linker, and the tense shifts to Past Perfect (had passed). The word order also becomes assertive.

১. Option A fails because the auxiliary had is placed before the subject.
২. Option C uses you which incorrectly changes the person of the speech.
৩. Option D uses that which is incorrect for converting questions into indirect speech.

অতিরিক্ত তথ্য: Reported speech requires careful attention to tense, pronoun, and word order changes.