A trainer, who has completed a training class, determines that the materials were inadequate for students to meet the learning objectives. The training materials were created by the training center using technical journals and other vendor manuals. Which of the following actions should the trainer take?

A.
Ask to meet with the curriculum developers to see if they want help developing materials for the next class.

B.
Ask the training center to send supplementary materials to the students in the class.

C.
Report the inadequacy and ask the training center staff to contact the curriculum developer to make corrections.

D.
Provide the curriculum developer with a specific list of corrections and changes to use for the next course.