单选题 Not all the solar energy released by the sun reaches the earth's surface. About 34% is scattered into space by the gases or dust in the atmosphere. Another 19% is absorbed by the different layers of the atmosphere. The remaining 47% finally reaches the ground where it is absorbed as heat.
How much of the solar energy is absorbed as heat?

• A. 19%
• B. 34%
• C. 53%
• D. 47%.