Please i need help with this Read the paragraph below from the Introduction [paragraphs 1-4].

Warmer oceans are stealing coral's colors. When coral reefs get too hot, they turn white. This is called "bleaching." But some corals are doing the opposite. They are turning bright pink, yellow, purple or blue.

Which question is answered in this paragraph?

A
Where are the labs scientists are using?
B
Where are the largest corals in the world?
C
What causes corals to lose or change color?
D
What causes the world's oceans to get warmer?