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. My mother said to my father, 'I am very busy now.1). My mother told my father that I am very busy now2). My mother told my father that she is very busy then3). My mother told my father that she was very busy then4). My mother told my father that I was very busy now