Directions: This question presents a sentence, all or part of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

Stationed in a geostationary orbit 22,000 miles above earth`s equator, a cluster of satellites help to forecast weather, broadcast television programs and global communications.

a cluster of satellites help to forecast weather, broadcast television programs and global communications

clusters of satellites help to forecast weather, broadcast television programs and global communications

a cluster of satellites helps forecast weather, broadcast television programs, and facilitates global communications

a cluster of satellites help in weather forecasting, television programs broadcasting, and global communications facilitating

a cluster of satellites helps forecast weather, broadcast television programs, and facilitate global communications