According to the passage, what has happened to the...

Câu hỏi: According to the passage, what has happened to the wildlife in the past fifty years or so?

A. Animals, fishes, trees and plants can no longer live on the Earth.

B. Most animals, fishes, trees and plants are disappearing from the Earth.

C. Animals, fishes, trees and plants are becoming smaller in number.

D. The number of animals, fishes, trees and plants has suddenly dropped.