As this is a new listing, with only that one bad review, I would strongly suggest that you delete the listing, and work on your presentation. Look at some other listings to get an idea of how people describe their places, how they interact with guests, etc. etc. Your listing description says virtually nothing and your photo gallery leaves a lot to be desired. You have duplicate photos, many of which are totally blurry, way too many outdoor shots, and why are there so many photos of a community hall to rent? Make sure everything looks nice before taking photos- the rugs are all bunched up on the floor and a bowl of candy on the table doesn't say "breakfast" to me, although the breakfast tray is also there.
In the future, if you get a review you don't like, try to refrain from leaving a defensive/aggressive response. Your review responses appear on your profile page, not the guest's and are read by future prospective guests. Your place looks pretty basic, nothing fancy, which is fine, but perhaps it is overpriced for what you are asking? The guest has every right to say that in her review if that is what she felt and I can assure you that excellent hosts can get far worse reviews than that one-liner.
Also, if a guest indicates they didn't find the place clean, there's no reason to assume that just because you hire a professional cleaner, that means the place is clean. Some cleaners miss stuff and you should be willing to look at that possibility. Of course, if the guest is just making things up, you'll know that, but to just dismiss it out-of-hand isn't a very good approach. (also never mention anything in a review response that the guest has told you privately- only respond to what is in the written review).
As it stands, when I look at your listing, I don't get any clear sense of what is being offered, what the house set up is, nor do I understand your pricing. When hosts have a place that sleeps large numbers, like 10 or so, they may often just have a whole house pricing, but a place like yours would be better if you had a base price for a couple, and an extra guest charge after that.
I might be coming across as over-critical, but I foresee you having more issues in the future if you don't make things clearer to guests.
@Bente26