A person who publicly supports or recommends a particular cause or policy. It's basically a supportive person towards a cause.
C. uses
Uses is the only word that words in this context. The advertisement isn't keeping anything. It hopefully creates a desire in the consumer to buy a product but it doesn't create a technique. It also does intend to convince buyers but it can't intend a technique either. Techniques are used so this is the most accurate and precise replacement for has.
Explanation:
Where Jimmy works: he has a "position in one of the <u> </u><u>best</u><u> </u> departments. "
Answer:
It d. If its wrong I am srry but Im pretty sure
Explanation:
The answer is definition 2