I very much doubt he used that intonation, and I do not think the notion worth humoring. It wouldn't make sense without an apostrophe s after body, anyway. Which would STILL be objectifying — he wouldn't be saying SHE was his choice, just her body, while referencing her losing bodily autonomy.
It is not charitable or the benefit of doubt to bend over backwards in service of such abuse. The boy knew what he was saying.
I've been tone-deaf and tasteless. This isn't that.