In the future, "smart clothes" are used not only for covering your body, but for many other kinds of uses. Some kinds of "smart clothes" have come into the market. An English company has developed a cloth keyboard. You can put it onto your pants. You can control your computer with it easily anywhere. If it gets dirty, the keyboard can be washed and even ironed. As the technology improves, "smart clothes" will get much smarter. Researchers are developing such a kind of clothes. They may show your body temperature and heat you up before you feel cold. Other smart clothes to wear are special medical ones. They can tell the doctor when you are in danger. Jackets with GPS technology can keep you from getting lost. New smart clothes will even be able to adjust to your moods. People have begun to love the idea. Maybe "smart clothes" will one day be common on Paris' streets—and even in your own home.45. The underlined word "it" means__________.A. the computer B. a pair of pants C. the cloth keyboard D. cloth46. As the technology improves, "smart clothes" will get much smarter, for example,_______.A. they may adjust to your moods B. they may heat you up before you feel coldC. all of the above D. they can tell the doctor when you are in danger