A developer is writing a new web application that will be deployed and managed with AWS Elastic Beanstalk.
The application will include an Amazon RDS DB instance.
What steps should the developer take to access the RDS DB instance from the code? (Choose two.)

A. Modify the endpoint name using either the AWS Management Console or AWS CLI.
B. Upload the driver to Amazon S3 and reference it in the code.
C. Download the appropriate database driver and include it with the application.
D. Construct a connection string using the Elastic Beanstalk environment variables.
E. Create a CNAME record referencing database instances ALIAS.