The stockholders of BoxComp sued the former chief executive officer (CEO) over his alleged corruption. During the trial, the plaintiff stockholders called the defendant CEO's secretary to the stand to testify. The secretary testified that one of her friends told her that the CEO stole corporate money to gamble on horse races. The CEO's attorney's objection would be sustained on which one of the following grounds?
A. Immaterial
B. Hearsay
C. Irrelevant
D. Prejudicial