What additional step must be completed?

For the Magento search backend you would like lo move from MySQL lo Elasticsearch for your existing project. You have confirmed that your services. yaml file is configured appropriately However, after your most recently deployment, you notice the search engine is still set to MySQL

What additional step must be completed?
A . Configure the relationships Section of the .magento.app.yaml file
B . Find an appropriate Elasticsearch module to require with Composer
C . SpecifyElasticsearch as the search engine in the Magento Admin panel
D . Remove the MySQL service from the services. yaml file

Answer: A