Answer:
c. Work sample tests
Step-by-step explanation:
Work sample tests is a technique of hiring people on job which is by evaluating their work performance on the specified task assigned.
In the given instance,
The company wants to hire a person with good knowledge and skills of programming languages, designing skills, color composition balance shall also be excellent.
For this the company can aim to perform a work sample test in which who so ever performs well shall be recruited based on specific performance desired.