Multiple choice general knowledge math & puzzles amphi beyond middle two;both around Reveal answer Fill a bubble to check yourself C Correct answer Explanation The Greek prefix 'amphi-' means both, two, or on both sides, as in 'amphibian' (living in two environments). 'Beyond' is 'extra-', 'middle' is 'meso-', and 'around' is 'peri-' or 'circum-'.