OMC-SP and MDD-SP denote the optimum moisture content and maximum dry density obtained from standard Proctor compaction test, respectively. OMC-MP and MDD-MP denote the optimum moisture content and maximum dry density obtained from the modified Proctor compaction test, respectively. Which one of the following is correct?

• A. OMC-SP < OMC-MP and MDD-SP < MDD-MP
• B. OMC-SP > OMC-MP and MDD-SP < MDD-MP
• C. OMC-SP < OMC-MP and MDD-SP > MDD-MP
• D. OMC-SP > OMC-MP and MDD-SP > MDD-MP