The Following Sentences Form a Paragraph

Multiple Choice

The following sentences form a paragraph. Proofread them for inconsistent tense and faulty parallelism. Identify the type of each error in each sentence, or select "correct" if the sentence is free of errors.
-People held on to pieces of drifting wood or were sitting on top of their houses as they were swept along at a terrifying speed.

A) correct
B) inconsistent tense
C) faulty parallelism