Torrential rains have been falling over the past few days and your service area is experiencing major flooding. While returning to the disaster command post, you are flagged down by a group of people who inform you that a woman is clinging to a tree in the middle of a rapidly moving and swollen stream. She is screaming for help and states that she does not know how much longer she can hang on. Which one of the following should you do immediately?

A) Throw a rope toward the patient.
B) Call for a water rescue team and boat.
C) Swim out and retrieve the patient.
D) Toss a life preserver in the vicinity of the patient.