What happens next?

There are some people going sailing a motor boat with wakeboarders in the river. A pickup truck towing a motor boat behind it arrives with two men. two other men

Pick from:
a). that appear to be soldiers pull out hoses and begin to motor boat..
b). in hold the boat in the river and pull the ropes of the tow boat as both men water ski in the river..
c). gets out of the truck and walk to the water, in between the two men is a person riding on a wake board and slowing to a walk as he goes..
d). direct the pickup truck to get ready for sailing..
d).