Question

the scientist who was timing billie said that it took more than 20 minutes for billie to escape. but now he wanted to see how intelligent she was. he wanted to see what she had learned from her first try. he put her back in the tank for a second test. billie looked at the tank and the small hole. she knew exactly where she was. this time, she was able to escape more quickly. billie pulled her whole body through the hole in just one and a half minutes. you can tell from what you have read that billie learned how to a change colors very quickly. b catch a jellyfish very quickly. c get out of her tank very quickly. d clean her shell very quickly.

Explanation:

The text mentions that Billie initially took more than 20 minutes to escape and in the second - test was able to escape more quickly, pulling her whole body through the hole in one and a half minutes. This indicates she learned to get out of her tank very quickly. There is no mention of color - changing, catching jellyfish, or cleaning her shell.

Answer:

C. get out of her tank very quickly