Of the Following, Who Is Most Likely to Have Anxiety

Of the following, who is most likely to have anxiety, as opposed to fear? ​

A) Dave, who sweats profusely when he watches a horror movie
B) Sam, who clutches the door handle when his girlfriend drives very fast
C) Emily, who is so worried about her psychology final that she is unable to study
D) Randi, who sees a snake in the garden and screams