In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement". It has (being) too dangerous for too many people.
Nehru Trophy - BOAT RACE
B.C. Roy Trophy - FIFA
Holkar Trophy - Bridge
Ruia Trophy - Bridge
10. What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.