That might make it even trickier if the answer isn't a set of radio buttons, but checkboxes instead.
Maybe I'm more aware than I give myself credit for, though.
Confusion could arise when doing python in ruby or having some subtle distinction between c and c++, but I guess the test is not made to trick people or diagnose actual language knowledge. Still, lots of fun!
I still don't know what this says about the uniqueness of programming languages or the ratio of code reading to code writing in the industry.