【单选题】听力原文:M: So, what is your biology project about? W: It is about microorganisms that live by chemosynthesis. M: Err...what's chemosynthesis? W: Well, it's pretty complicated. You know how most life on E...
A.
How hydrothermal vents are formed.
B.
How living things get energy from sunlight.
C.
The harmful effects of certain chemicals in the ocean.
D.
Microorganisms that get energy from chemical reactions.