Answer:
I would have to say spring and summer because during winter animals hibernate because food is low and so is the temperature and in the fall plants are dying to prepare for winter. If you can't pick both summer and spring I'd go with spring.
The answer is D, a desert biome,
I believe it is, B. distance
The anthers are in the elevated position so that the pollinators will be attracted towards it, and that the pollen grains are easily carried away by the agents of pollination. The proper pollination is essential for the process of fertilization.
Hope this helps:)