题目

The Wall Street Journal recently published an excellent article penned by Wendy Bounds on a hot topic here at MNN: the air-purifying qualities of the common houseplant. Given that the air inside your home can be 2 to 5 times more polluted than the air outside of it, making it clean with plants like peace lily(百合花)and asparagus fern(芦笋蕨)is an economical, artistically pleasing alternative to air purifiers. So, it's been acknowledged that a bunch of pretty potted houseplants can help you maintain a healthier home, but a smarter home?That's the question in light of a recent study publi ——What kind of home do you _____?—— A flat _____ three bedrooms. A. live; hasB. live; withC. live in; hasD. live in; with