How should the system administrator meet this requirement?

Universal Containers wants to create a custom object to capture account survey data. Users must be able to select an account from the survey record. Users also need the ability to view related surveys on the account record.

How should the system administrator meet this requirement? (2 answers)
A . Create a lookup relationship field on the account object.
B. Add the account related list to the survey page layout.
C. Create a lookup relationship field on the survey object.
D. Add the survey related list to the account page layout.

Answer: C,D