【单选题】

It’s not much, but it’s home. FrancisChan, an engineer, lives in Hampstead, north Lon don, in a flat that’s just 4ft wide by 21ft long. He loves it.

Tiny though it is, it has got all the comforts. PeterBaynes,Chan’s architect(建筑师), has achieved a clever piece of design, according to architectural experts.
TheChan mini-house was built on what was once a path down the side of a big Victorian house. Not an inch of space is wasteD、
When you step in through the front door, you’re standing in the shower, onBritain’s only self-cleansing doormat(自动清洁门垫).A、door opens on to an equally tiny toilet with washbasin. Two steps further in comes the kitchen, complete with full-sized cooker and fridge, and washer/ drier.A、worktop folds down from the wall.
Another step and you’re into the dining/office areA、Four people can sit here for dinner, saysChan as he sets the table-top into place. He even has a fold-down drawing-board for when he’s working at home. The bed is hidden under a cover board fight at the back. "I don’t even have to make the bed,"Chan says. "I just put the cover down. "
Chan’s business suits hang neatly on the wall over the beD、Daylight comes in through the skylight. The house feels like a very small boat andChan admits he toyed with the idea of naming it the "boat-house".
"It cost around ￡ 4,700 to build last year. Now it’s been valued at ￡ 30,000. It proves that good design doesn’t need to cost more. It just needs a lot of care," saysChan.
What is the purpose of this writing.
[A] To sellChan’s flat for more money.
[B] To tell people how to take care of small flats.
[C] To introduce to readers a cleverly-designed flat.
[D] To call on engineers to design their own homes.