11. The most advanced communication ______ can pass information to any member state in no more than five seconds.
    A. furniture   B. facilities   C. equipment   D. ornaments

<equipment>
(a piece of) equipment  设备（总称）
poetry  诗歌
clothes  衣服 
</equipment>

<furniture>
furniture  家俱
furnish  用家具来装饰房子、提供、供给
</furniture>

<ornament>
ornament  装饰物、装修、修饰、节日的彩灯
adorn  装修、装饰
</ornament>