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.
The clerk said, "What can I do for you?"
1). The clerk asked what he could do for me.
2). The clerk asked what he can do for me.
3). The clerk asked what he could be doing for me.
4). The clerk asked what he can be doing for me.