Explanation/Reference:
Explanation:
E: Onwizard Software Release page page to select the Oracle Database software release that you want to run on your instance.

Note: When you create a database instance, you use the Create Database Cloud Service wizard, which steps you through the process of making the choices that produce a service instance tailored to your needs. These choices include:
Service Level

Billing Frequency

Oracle Database Release Version

Oracle Database Edition

Computing Power

Database Storage

Backup and Recovery Configuration

Incorrect Answers:
B: Use the Subscription Type page, of the Create Database Cloud Service wizard, to select the service level and billing frequency.

D: Storage is not configured. You configure the Instance, the Database, and Backup and recovery.
References: http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/dbaas/ obe_dbaas_creating_an_instance/obe_dbaas_creating_an_instance.html