Final answer:
The most likely statement supported by a storm animation is either that the storm's movement is unpredictable or that it is intensifying rapidly, but without seeing the actual video, it's difficult to choose between these options.
Step-by-step explanation:
The statement most strongly supported by the animation shown in the Tropical Storm Allison satellite animation video layer is likely to be that the storm's movement is unpredictable (a) or that the storm is intensifying rapidly (b). Given that tropical storms and hurricanes develop over warm waters and can intensify as the air heats and rises, forming strong wind currents and heavy rains influenced by the Earth's rotation, these characteristics can be depicted in satellite animations.
However, not seeing the actual video provided, we cannot definitively choose between the options given. Yet, based on the general knowledge of tropical storms, the options stating the storm is losing strength (d) or that the path is steady and linear (c) seem less likely without specific data supporting such claims.