Answer:
C. It must contain a verb and be a complete thought.
Step-by-step explanation:
A sentence is formed by the composition of words that help in forming a complete sense.
A sentence comprises of a subject and a predicate. A verb is also an important part of the sentence. It tells about the activities done in a sentence. The primary arrangement of the sentence is subject+verb+object. A sentence should present a complete thought and represent the arrangement of words in a sequential manner.