Why do reporters often use open records in addition to verbal statements by sources?

A. Reporters are required to use both open records and verbal statements.
B. Sources often forget something or lie in verbal statements; records tend to be more truthful.
C. Reporters find it more convenient to obtain open records than verbal statements.
D. The law states that verbal statements must be supported by open records.

B. Sources often forget something or lie in verbal statements; records tend to be more truthful.