【单选题】Mark Bryson is talking to his students about global warming. Listen to what he tells them and choose the correct statements.
A.
Changes in time affect the world's lakes, rivers, and oceans.
B.
Changes in temperature affect the world's lakes, rivers, and oceans
C.
Changes in temperature are the effect of the words lakes, rivers, and Oceans,
D.
Changes affect the world's lakes, rivers, and oceans.