Question Author
Etch - // As an aside I do find myself wondering, both on OC and in similar cases, whether 'choosing a hieroglyph' makes any difference to the question that comes up: it could just be a case of "show that you are familiar with the hieroglyphs we use, and now here is the next (pre-determined) question". //
It's to instill an element of choice in the questions selected.
If you are going to give someone a choice, you have to have name for that options - on The Chase, with only two choices, 'A' and 'B' are used - on OC, which is obviously a lot more highbrow (and pleased with itself!!!!) they use the hieroglyphs.