Which of the Following Best Explains 'Design and Construct Contract

Multiple Choice

Which of the following best explains 'design and construct contract'? 

A)  Contractor designs and provides in accordance with the client's requirements, plant and/or other works. 
B)  Contractor constructs the project in accordance with the design provided by the client. 
C)  Contractor delivers project or work turnkey. 
D)  Contractor completes work at own risk and gets paid long-term payments after delivery.