What Happened When Bent Grass Was Transplanted to Soils Contaminated

What happened when bent grass was transplanted to soils contaminated with heavy metals?

A) All of the transplants perished.
B) All of the transplants survived.
C) Most of the transplants survived;a few perished.
D) Most of the transplants perished;a few survived.
E) None of the plants perished but they mutated to produce a new species.