The subject of the sentence is the person or thing that performs the action of the verb. In this case, the subject is <em>Dan</em>, and the action he peforms is the verb <em>wrote</em>.
Finally, the direct object refers to something or someone that is affected by the action of the verb. In the example sentence, the direct object is the noun phrase <em>a concise paragraph about his cat</em>.
This has a subject as in a predicate. A predicate has to verbs which is going to make your answer (___) compound. So without all the confusing verbs and predicates, your answer would be (compound)
