Correct Answer - C
In a forest ecosystem tall trees of forest plants controls the light condition, i.e., intensity, duration and quality of light at the ground. A well growing herbaceous plant in forest receive less intensity, duration and quality of light, but when it is transphanted in a park outside its natural habitat, the light will be received uninterrupted.
So due to change in its microclimate, it may not survive. Rest of the other options are incorrect to depict the fate of plant.