The blue whale is the largest animal that has ever (25)...

Câu hỏi: Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer for each of the blanks from 25 to 29.
The blue whale is the largest animal that has ever (25) ___________and it can weigh as much as thirty elephants. It comes as no surprise, therefore, to hear that ancient folk legends tell of sailors mistaking these creatures for islands.
The more we (26) ___________ about whales, the more wonderful they seem. Some, species can (27) ___________their breath for more than an hour and dive to (28) ___________of over 2000 meters. They use a system of sounds known as echo-location to find the fish they eat and they have further sounds to keep in touch with each other. The noises they (29) ___________can travel hundreds of miles under water. Some species seem to sing complicated songs which consist of a number of separate themes, sung in a specific order which can last up to half an hour or more. If you ever get the chance to see one of these great creatures in the wild, you will understand why they have inspired so many legends.
The word or phrase which best fits the gap (25) is...
A. been
B. stayed
C. born
D. lived