In Which of These Situations Would Automatic Processing Most Likely

In which of these situations would automatic processing most likely take over?

A) A child who has just learned to read words tries to read paragraphs.
B) An actor steps into the spotlight for the first time and reacts to the audience.
C) A commuter tries taking a new route to work and gets caught in traffic.
D) An experienced skier begins a route she has skied five times before.