Heavy, black clouds rushing in from the horizon mean a storm is coming.
Explanation:
The phrase "Heavy, black clouds rushing in from the horizon." it is incomplete and for this reason it does not establish a meaning that makes the reader understand the message that the author wishes to convey through the sentence. For this reason, the sentence needed a complement that established a relationship of coherence and cohesion, allowing the reader to know the message that the author wanted to convey. In addition, the complement should be written with all correctly written grammar classes. For this reason, the best review for this sentence would be: "Heavy, black clouds rushing in from the horizon mean a storm is coming. "
The one that could be used to increase the pace of a story is : B. short phrases
Short phrases is very common to be used to increase the pace of the story. You commonly find it in the scene where the character involved in fast-paced action with high tension