Stretch Goals Are Best Defined As

Stretch goals are best defined as:

A) the targets that are exceptionally demanding and novel.
B) the set of goals whose primary focus is to protect organizations from being sustainable.
C) the targets that merely exhort employees in general terms to improve performance and start doing their best.
D) the goals that conflict with people's personal values and interests.
E) the goals that are high enough to inspire better performance but at the same time are always unattainable.