PLEASE HURRY WILL GIVE BRAINLIEST foolproof (adj): 1 designed to function despite human error 2 without possibility of failure Which sentence uses the word foolproof as described by the second definition? A: The defense lawyer concluded his remarks with a foolproof argument of the defendant's innocence. B: The new computers were not foolproof in the hands of untrained users. C: Scientists were certain that despite being out of their control, the space probe would be foolproof. D: Foolproof methods of transportation may become a reality in the near future.