What will be the difference of level between point C & D if the Backsight & Foresight at points C & D are 3.565 & 2.865 respectively?

• A. Fall of 0.700 m from C to D
• B. Rise of 1.700 m from C to D
• C. Rise of 0.700 m from C to D
• D. Fall of 1.700 m from C to D