Which of These Is the BEST Example of an Action

Which of these is the BEST example of an action slip?

A) Darren was distracted and so took his usual route home from work instead of turning left at the traffic light to go to his friend's house, as he had intended.
B) David mistakenly pushed over a vase of flowers when he was reaching for his keys.
C) Daniel did not check the address of his dentist as he mistakenly believed he remembered it correctly.
D) Derek reread the paragraph to make sure that he fully understood its content, even though he did not learn anything new from this second reading.