Translate the following sentence into Turkish.
Why, if you mean to insinuate that I haven't been a good friend to Marguerite Gautier, ask Prudence what I've done for her. That angel has been buying Marguerite's things, all of her jewelry one after another.
Marguerite Gautier'ye iyi arkadaş olmadığımı ima ediyorsan, onun için yaptıklarımı Prudence'a sor.