Please answer D with respect to work shown so it's easier to understand!
Extracted text: Standard Proctor test was conducted on a silty clay soil collected from a proposed construction site. The results are shown in the following table. trial no. mass of moist soil in the mold (g) moisture Dry density content (%) 1. 1480 9.4 2 1570 12.4 1690 14 4 1700 15.5 1650 18.3 d. What should be the range of compaction moisture contents in the field to achieve the above relative compaction? 3.