Given a Computer-Aided Task of Choosing the Best Location for a New

Multiple Choice

Given a computer-aided task of choosing the best location for a new shop, activities at the tool level should be supported with feedback.The following example activities (on the left hand of "-") are provided with a corresponding feedback (on the right hand of "-") respectively. Please select the pair in which the feedback can best support the matching activity.

A) the user wants to move around a map - "on floor 3"
B) the user is going up/down a floor - "Going up"
C) the user presses a key on the key board - "covered 2 out of 3 floors"
D) the user is comparing all floors on attributes - an arrow at the bottom of the map
E) the user reaches floor 3 - the counter pressure of the keyboard key