Stan, a citizen of Iowa, files a lawsuit in an Iowa state trial court against Jalisco Farm Supply, a Texas company that sells supplies in Iowa. The court has original jurisdiction because a. the parties have diversity of citizenship. b. the court has venue. c. the court has concurrent jurisdiction.

One of the options in the question is missing. However the correct answer is ---

the case is being heard for the first time.              

Explanation:

          In common legal system, the original jurisdiction of a court defines its power to hear any case for the first time. It is opposite to the appellate jurisdiction where a higher court can review the lower court court's decision.  In other words, a court can hear a fresh case.

          In the context, Stan wishes to file a lawsuit against a Texas company, Jalisco Farm Supply in the Lowa trial court. The court enjoys the power of original jurisdiction as the court will hear the case for the first time.