Which of the Following Incidents Describes the Legal Meaning of the Tort

Which of the following incidents describes the legal meaning of the tort of assault (without battery) ?

A) I accidentally drop a hammer on your foot.
B) When you are asleep in the house, I sneak up and throw a hammer through your garage window.
C) Unknown to you, I throw a hammer at your head but miss.
D) I come up from behind you without your seeing me and hit the back of your knees, causing you to fall down.
E) I throw a hammer at your head, but you see it coming and duck out of the way.