I picked myself up , a bit shaken from the impact of my brain reverberating inside my skull . Embarrassed , I looked sheepishly around ; luckily , there were no witnesses . brushed myself off ; thankfully , my legs were uninjured .

Select from: (a). Classroom chemistry explosion (b). Plane crash (c). Slipping into pool (d). Non - lethal motorcycle accident
Q: What is most likely to have happened to the OP ?
(d).