Which of the following headlines deal with what, how, and for whom questions? A. Airports install more self-check in machines B. Many full-service gas stations are switching to self-serve C. Clockwork computer is next big thing O A. Statement A deals with what, B deals with how, and C deals with for whom O B. Statement A deals with for whom, B deals with for whom, and C deals with how O' C. Statement A deals with what, B deals with how, and C deals with what O D. Statement A deals with how, B deals with how, and C deals with what O E. Statement A deals with how, B deals with how, and C deals with how