[单项选择]

Many mobile operators already offer a selection of television channels or individual shows, which are sent (1) across their third-generation (3G) networks. In South Korea, television is also sent to mobile phones via satellite and terrestrial broadcast networks, which is far more (2) than sending video across mobile networks; similar broadcasts will begin in Japan in April. Similar mobile-TV networks will also be built in Finland and America, and are being (3) in many other countries.
Meanwhile, Apple Computer, which (4) a video-capable version of its iPod portable music player in this October, is (5) a bargain with television networks to expand the (6) of shows that can be purchased (7) viewing on the device. And mobile TV was one of the big (8) at the world’s largest technology fair, the Consumer Electronic Show.
(9) all this activity, however, the (10) for mobile TV are unclear. For a s
A. additive
B. furthermore
C. another
D. further