The Normal Approach for the Engagement of the Services of an Architect

The normal approach for the engagement of the services of an architect is through a contract.Under the terms of the contract,the architect is usually expected to:

A) Perform their duties in accordance with the professional code of conduct.
B) Complete the work in accordance with professional standards.
C) To have a duty of care to the client.
D) Perform the work in accordance with the terms of the contract.
E) All of these.