单选题 Which of the following, if true, would cast most doubt on the conclusions drawn from Head's higher-resolution models?

• (A) The results of geographical survey prove that no crater larger than twelve kilometers exists on the surface of Mars.
• (B) Fragments from smaller impact events on Mars are highly unlikely to survive entry through the Earth's atmosphere.
• (C) The velocity of rocks escaping from Mat's gravity is greater when they have been loosened by a large impact.
• (D) Huge impacts on Mars are proven to be less rare than was previously thought.
• (E) A double-succession of large impacts is found to have occurred on Mars in a relatively short period of time.