You`ve deployed a microservice called myapp1 to a Google Kubernetes Engine cluster using the YAML file specified below: 

You need to refactor this configuration so that the database password is not stored in plain text. You want to follow Google-recommended practices. What should you do? 

Answer options:

A. Store the database password inside the Docker image of the container, not in the YAML file.
B. Store the database password inside a Secret object. Modify the YAML file to populate the DB_PASSWORD environment variable from the Secret.
C. Store the database password inside a ConfigMap object. Modify the YAML file to populate the DB_PASSWORD environment variable from the ConfigMap.
D. Store the database password in a file inside a Kubernetes persistent volume, and use a persistent volume claim to mount the volume to the container.

C