Ruby is writing an argument about icebergs. Read her claim and reason, and then answer the question.

CLAIM: By studying icebergs, biologists gain valuable information about many other parts of the natural world.

REASON: Studying icebergs helps biologists to learn about life in the ocean.

Which of the following sentences should she use as evidence to prove the reason is true?

A.
Icebergs can affect ocean currents a great distance from the icebergs themselves.
B.
The International Convention for the Safety of Life at Sea created the International Ice Patrol in 1913.
C.
The lifespan of an iceberg is only a few years, but the glaciers from which they come can exist for as long as three thousand years.
D.
Recent studies have shown that water surrounding an iceberg is full of sea creatures that feed on nutrients released by the iceberg as it melts.