you're the one who … it to me
Tom ne saura jamais que c'est toi qui me l'as dit.
Tom will never know that you were the one who told me.
C'est toi qui me l'as envoyé ?
Did you send it to me?
— Harry Potter et la Chambre des secrets (2002)
C'est toi qui me l'as demandé.
You asked me.