Choose the correct indirect speech: She said to him, "Please help this old man now".

She ordered him to help this old man now.

She requested him to help that old man then.

She suggested that he should help that old man then.

None of these

She requested him to help that old man then.

"Please" indicates a request, so "requested" is the correct reporting verb.

"Now" changes to "then" in indirect speech.