she did it
Yes, she did.
J'avais demandé à Nandini de lui laisser sa chambre, elle l'a fait ?
I had asked Nandini to give them her room—did she?
— Mon cœur est déjà pris (1999)
J'ignore comment, mais elle l'a fait.
I don't know how, but she did it.
Yes, she did.
She did it out of curiosity.
She startled him.
C'est pour ça qu'elle l'a fait.
That's why she did it.