The answer to your question is false
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.
Answer:
the director and producer are coming
Answer: D. United States
Explanation: The English measurement system is primarily used by the United States.