单选题 It may be inferred from the passage that the larval environment which surrounds the vent crab Bythograea thermydron differs from its adult environment in that it

• (A) contains more thermal vents than the adult environment
• (B) receives more of its light from the sun than from hydrothermal vents
• (C) lacks the longer and dimmer wavelengths of light found in the adult environment
• (D) can be survived only by creatures equipped with image-forming optics
• (E) has a tendency to induce metamorphoses in the creatures that occupy it