Issue in contact form 7

Yes. See Checkboxes, Radio Buttons and Menus.

No I need something like this
https://jsfiddle.net/hungerpain/KqRpM/

The code to use in CF7 would be

<label>Which animal do you like the most? </label>
[checkbox* animal use_label_element exclusive free_text default:0 “cats” “dogs” “hamsters” “elephants” “cows” “other”]

See the Checkboxes, Radio Buttons and Menus link above for details on what each command means.