Tropical rainforests cover only about 6 percent of Earth's land surface. ______ , they are home to more than half of all known plant and animal species.
Which choice completes the text with the most logical transition?
- A
Likewise
- Bcheck_circle
However
- C
Specifically
- D
Therefore
Explanation
Small area is contrasted with disproportionate biodiversity. "However" signals contrast. The others do not.