All of the Following Are Roles of Middle Management Except

All of the following are roles of middle management except:

A) enable the front-line providers to focus on customers and not be distracted.
B) manage the crises.
C) move the roadblocks to good service out of the way.
D) relieve pressure by doing some of the front-line work.
E) invest in technology and ensure foundations are in place that allow the front-line teams to do their work.