Which of the following statements best explains the term "noble experiment" in the last paragraph

A．Noble experiment is a ban that prohibited alcohol drinking before the age of 13 and was proposed by President Hoover.
B．Noble experiment is a ban that prohibited alcohol drinking around the United Stated and had remained valid for thirteen years since 1919.
C．Noble experiment is a ban that advocated political corruption and organized crime.
D．Noble experiment is a ban that will hopefully stop drunken driving and thus reduce fatalities.