Which of the following clients should have his clothing removed immediately?

C A 78-year-old man who was burned during a fire that started when the client fell asleep while smoking A A 32-year-old man who was burned while working on high-tension wires B A 14-year-old boy who suffered severe smoke inhalation during a fire at school D A 19-year-old student who spilled chemicals on himself in the chemistry lab at school