Respuesta :
Answer: The sentence which uses a logical flaw is A.
Explanation:A logical flaw takes place when someone uses an argument which defies common sense. S/he can do this either on purpose, in order to exaggerate for example, or accidentally without realizing that what was used as an argument was not logical.
In this case, the writer claims that if we cannot learn to live without ear buds we´re going to become a nation of zombies. S/he knows that becoming a nation of zombies isn´t a logical consequence of overusing the ear buds but still s/he uses this argument to make his point clearer.