The main reason for the latest rise of oil price is ______.

A．most people who feel they have been wronged have a ready remedy in courts of law
B．many people would like to bring a case to court, but are unable to because of the cost and time required
C．the judicial system in the United States is highly acclaimed for its efficiency
D．pretrial conferences will someday probably have replaced trials completely

A．it is possible to have one' s case heard by a jury if he or she is dissatisfied with the court's decision
B．the litigants must plead accurately and according to a strict form
C．the decision may not be appealed to a higher court
D．the parties may not present their cases without an attorney's help