Tranh Has Given So Many Lectures That He Gives Little

Tranh has given so many lectures that he gives little thought to what he expects might happen when he walks in the classroom: He assumes students will assemble,take notes,and occasionally ask a question.That Dr.Tranh finds the process so routine most clearly reflects the development of a(n) :

A) mental set.
B) prototype.
C) script.
D) algorithm.