I find it odd that there are several people who were tripped up by this, and then seem exclusively to concentrate on the whole "married/unmarried" thing. The a

I find it odd that there are several people who were tripped up by this, and then seem exclusively to concentrate on the whole "married/unmarried" thing. The answer, of course, is C, because Anne might be Jack's pet dog or something and therefore isn't a person at all. :-)