She.

THE LITTLE DOG

I don't understand all you say, but I find you so _very_ sympathetic!
What are you doing this evening?

TOBY-DOG

Why ... I dine.

THE LITTLE DOG

Naturally! I wanted to know whether they receive here this evening, or
do _you_ go out?

TOBY-DOG

No, I've been out already.

THE LITTLE DOG

Driving?

TOBY-DOG

Walking--of course.

THE LITTLE DOG