Which two statements are true assuming Salesforce B2B Commerce id installed in the production org? Choose 2 answers

Which two statements are true assuming Salesforce B2B Commerce id installed in the production org? Choose 2 answers
A . When creating a Developer or Developer PRO sandbox the project must reinstall the CCSW managed package.
B. When creating a partial copy sandbox using a sandbox template that is copying SFDC accounts, contact and opportunities need to execute the post installation steps found in the installation guide for my version.
C. When creating a full copy sandbox the project needs to execute the post installation steps found in the installation guide for my version.
D. A When creating a Developer or Developer PRO sandbox the project needs to execute the post Installation steps found in the installation guide for my version.

Answer: C,D