Select the option that expresses the given sentence in indirect speech.
My mother said to my sister, “Did you receive a mail from your teacher?”
1
My mother told my sister that did she receive a mail from her teacher.
2
My mother said to my sister whether did she receive a mail from her teacher.
3
My mother asked my sister if she had received a mail from her teacher.
4
My mother advised my sister if did she received a mail from her teacher.