The composition D Subscript 0, three-halves (x, y) is a composition of D Subscript 0, one-half (x, y) is applied to △RST to create the image of △R"S"T", which is not shown. On a coordinate plane, triangle R S T has points (negative 6, 10), (negative 2, 6), and (negative 10, 0).
What are the coordinates of point S"?

A.(negative three-halves, nine-halves) B.(negative nine-halves, fifteen-halves) C.(nine-halves, negative three-halves) D.(negative fifteen-halves, 0)