Billy,a Witness to a Motor Vehicle Accident,is Gravely Ill with Cancer.Pat,who

Billy,a witness to a motor vehicle accident,is gravely ill with cancer.Pat,who was injured in the accident,would like to preserve Billy's testimony for trial in case he dies before the trial date.What should Pat do?

A) Send interrogatories to Billy.
B) Take Billy's deposition.
C) Send a request to admit to Billy that the accident was the defendant's fault.
D) Have a pretrial conference with the judge and Billy.
E) There is nothing Pat can do to preserve Billy's testimony for trial.