D) relieving fishing pressure on over fished species
Answer:
Explanation:
Plants infected with white rot may have a cottony white or grey mass of fungal ... The disease can occur on all the vegetable alliums but tends to be more serious on garlic ... The fungus is an important pathogen on a number of non-allium crops ... a brown discoloration and rot, so that the shoot easily detaches from the base.
I think it is D but I might be wrong !!! Hope I help !!
B. is the correct answer I think