Who would Harry have picked? OotP chapter 33

Currently rereading OotP for the first time in a while and got to the part where they're all in the forest deciding how to get to London. Ginny, Neville, and Luna are adamant about coming with Harry, and Harry thinks to himself that if he had to pick 3 DA members besides himself, Ron, and Hermione, he wouldn't have picked Neville, Ginny, or Luna to come with them. Who do you think he would have picked instead? I understand his reservations about Luna, but he's known Neville and Ginny for years and can trust them- also Neville has improved his skills dramatically, and Ginny is stronger than she looks.

My thought was he would've brought Fred and George if they hadn't already left, but I struggled to think of a third person. What do you all think?