During the execution of a legal warrant to search a home for evidence related to drug charges, officers see a video playing on the DVD player that is clearly child pornography. They confiscate the DVD as evidence

a. It is not admissible in court because it was not defined in the warrant.
b. The plain view doctrine makes that evidence admissible.
c. The officers must wait for a new warrant before confiscating the DVD.
d. This is a case of probable cause. No warrant is necessary at all.

b.