The following group of words given above is a complete sentence. It is a complete sentence because it consists of a subject and a verb. The subject of the given sentence is "they" and the verb is "spoke". This sentence conveys a complete thought and only contains a simple subject and a predicate with its complement "before lunch".
This is somewhat subjective of course, but the best option from the list would be that "<span>C. It shows how wisdom overcomes ignorance" it could mean other things as well. </span>
