In Each of the Plans Below, One Detail Has Nothing

In each of the plans below, one detail has nothing to do with the topic sentence; it is merely a bit of irrelevant information. Select the irrelevant detail in each plan. The auto repair shop was alive with activity.

A) one tired-looking worker hammering out dents on a car
B) two men singing along with the radio while repainting a green truck
C) one woman checking a car's exhaust system
D) boxes of auto parts stacked in one corner
E) telephone constantly ringing as customers called for appointments