Ask "Do you know what has happened to me?"

From Reddit Choose Your Own Adventure

<text> The man awnsers yes and tells you "You are one of the chosin ones set out to slay the god of darkness, your memory has been wiped so your emotions won't enterfear with your mission."

You sit in silince for a moment and ask "Why an I the choseing one"

The man awnsered "Because you are the only one who can slay him" </text> "Who is 'HIM?'", YOU ASK.