AUDITIONING WITH THE COMP TOOL

Hi, excuse me if I’m not using the correct terminology.

I have trouble auditioning audio with the comp tool in that it won’t affect more than one section at a time. In my screenshot you’ll see I have 3 sections highlighted but the comp tool will only affect one at a time. Is there a way to make the comp tool affect all 3 parts at once (I mean make them active) without having to click on all 3 individually?

Thanks
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