He's not
But his English is pretty darn good. So good, that I wouldnt even think of trying to claim that questions are worded as they are because of the examiner's language ability. The questions are worded as they are, deliberately, and even though there may seem to be nasty tricks in them, its all quite straightforward as long as you remember to
read the question.
Read all the question, too, not just the first part. And read all of all the answers.