The correct answer is Option 2) i.e. ?did you sayWe usually form wh-questions with wh- + an auxiliary verb (be, do or have) + subject + main verb or with wh- + a modal verb + subject + main verb. For eg- When are you leaving?Among all the options, Option 2 is the appropriate choice as it concurs with the context of the sentence.Option 1 is incorrect because the auxiliary verb is missing.Option 3 is incorrect because 'that' doesn't fit as per the context of the sentence.Option 4 is incorrect because we need simple past tense, and in the given option past perfect has been used.