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Your LimeSurvey version: 5.3.17
Own server or LimeSurvey hosting: LimeSurvey hosting
Survey theme/template: Fruity
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Good morning, 

I am trying to hide the comment boxes of answers A & B. I only want users to fill in, if required answer options C & D. Is there any option to make it work? I have been trying with some  tips previously posted although it did not work.  how to add several 'other' options to multiple choice question? - LimeSurvey forums

Any help would be really appreciated, 

Best, 

See here:
[url] forums.limesurvey.org/forum/can-i-do-thi...rticular-code#225886 [/url]

This code does indeed work perfectly. 

Thank you Joffm!