Question

Mother said to me," Did you sleep well yesterday'?​

Answer 1

Answer:

Mother said to me that, Did you sleep well yesterday'?

Answer 2

Answer:

Correct option is

C

he had slept

When the direct speech is the simple past tense form, as a rule, its reported speech transformation should be in the past perfect tense. Hence option C is the correct answer.

Options A, B, D and E are incorrect because they are not in the past perfect tense.