Diana observed that the plants in her garden were not growing well due to poor soil conditions. She tested the soil and used the soil triangle shown below to conclude
that if sand is added to the soil, it will become balanced with 33% sand, 33% clay, and 33% silt.
Which of these was most likely the original type of soil on Diana's garden?
A. clay loam
B. Medium loan
C. Silty clay loam
D. Sandy clay loam