Which of the following helps to achieve the goal of standard operation and consistency?

A) Use the same icons for all programs regardless of their function.
B) Cancel a transaction in a consistent way.
C) Change the background color as the user moves from screen to screen in a consistent manner.
D) When using different keys to obtain help from screen to screen within a system, provide the location of the help key message in a consistent line on the screen.

B) Cancel a transaction in a consistent way.