Answer:
The correct answer is letter "C": considerable.
Step-by-step explanation:
The "Job Zone" is a classification made to careers based on education, experience, and on-the-job training needed to do perform different types of works. There are five (5) zones named from 1 to 5 being zone 1 composed by occupations that require little preparation and zone 5 is the zone where extensive preparation is necessary.
Job Zone 4 is composed of careers that need considerable preparation.