The correct option is A Areolar tissue
Areolar connective tissue is made of cells and extracellular matrix. The matrix has two components, fibers and ground substance. The ground substance fills all of the spaces between the cells and fibers. The most common cell type is the fibroblast, but areolar connective tissue also contains macrophages, mast cells, and white blood cells.
It contains macrophages, mast cells, and fibroblasts.