Final answer:
The requirements for a hurricane to develop include warm seawater, unstable air, and weak upper-level winds. The only option that does not meet these requirements is D.
Step-by-step explanation:
The requirements for a hurricane to develop include seawater with a temperature of at least 80°F in the upper 200 ft of the ocean, unstable, warm, and humid air, and weak upper-level winds, preferably blowing in the same direction the developing storm is moving. The only option that does not meet these requirements is D. tornado serving as triggering mechanism, spreading out and slowing as the storm grows.