Question

read the paragraph, then choose the word that best completes the sentence. some scientists from a cleveland zoo were studying turtles in vietnam. they found a swinhoes soft - shell turtle. they didnt expect to find any. only three other swinhoe turtles were known to exist. two live in zoos. one lives in a lake in hanoi. swinhoe turtles are the largest freshwater turtles. they can weigh 300 pounds (136 kilograms). they can be three feet (0.9 meters) long. they can live to be 100 years old. the scientists were ________. a covered b finished c worried d surprised

Explanation:

The text states that the scientists didn't expect to find a Swinhoe's soft - shell turtle as only a few were known to exist. So, they were surprised.

Answer:

D. surprised