In the following question, a sentence has been given in Direct/Indirect speech . Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech. "What did you eat last night?" asked my mother.

• My mother said to me what did I eat last night.
• My mother asked me what I had eaten the previous night.
• My mother said what did you eat last night.
• My mother questioned me what I ate last night.