^" the horrible and spiteful but totally unnecessary response was by a man who has posted equally, apparently stupid questions.....although I guess he thought they were worthy qs or he wouldn't have posted."
Those apparently stupid questions were light-hearted posts, the meaning of which was understood by users who are familiar with some of the banter/humour on here.
Regarding your query, your best bet is to ask at the centre. In my experience with tests like this (although I'm certain about this one) is that you are asked to click 'submit' at the end and you should get some sort of on screen acknowledgement.