When complex actions and the thoughts that they involve have become routine, the actions are described as being:. a. strategic.
b. intuitive.
c. flexible.
d. automatic.

When complex actions and the thoughts that they involve have become routine, the actions are described as being: d. automatic.

Explanation:

When we do complex actions daily, we do them unconsciously without any difficulty since we have assimilated them and can do it without any hard thinking or problems. When we reach this state, we say that we do an automatic action because even though it is hard to perform, we do it efficiently and fluidly.

well considering i can't see the graph, it's probably prices