(36)
(Choose 1 answer)
Because some users learn how to use a system through trial and error, it is important to:
A. provide extensive documentation to ensure that users always do the right thing
B. force users to undergo training before using a system so they don't break anything
C. provide users with only one option at a time so that they cannot make mistakes
D. support "undo" and "redo" to help users recover from mistakes
FUO shithe Stam
