choose the letter for the best answer, and one sentence explaining why. nothing extra

Which of the following best illustrates a $$responsibility gap$?($Mann$,$ and others$)$

A$.$ A pharmacist fails to check the expiration date on the medicine before administering it

B$.$ A human driver fails to brake before colliding with a self$-$driving car

C$.$ A leashed dog on a walk with its owner bites the mailman

D$.$ An ATM debits your account $$20$ without dispensing any bills