I said to my brother, "Let us go to some hill station for a change."

• A. I suggested to my brother that they should go to some hill station for a change
• B. I suggested to my brother that we should go to some hill station for a change.
• C. I suggested to my brother that let us go to some hill station for a change.
• D. I suggested to my brother that let them go to some hill station for a change.