Which of the following is not part of the three-prong test to determine standing created

by the court in Association of Data Processing Service Organizations v. Camp?

a. Plaintiff must be within the zone of interest protected by the statute or the constitutional guarantee in question.
b. Plaintiff must suffer an injury in fact.
c. There is a likelihood that the injury will be redressed by a favorable decision.
d. Plaintiff has a verifiable intellectual or metaphysical interest in the issue.

d