Describe the physical interpretation of a temperature of absolute zero

"Absolute zero is the lowest possible temperature where nothing could be colder and no heat energy remains in a substance. ... By international agreement, absolute zerois defined as precisely; 0 K on the Kelvin scale, which is a thermodynamic (absolute)temperature scale; and –273.15 degrees Celsius on the Celsius scale." I looked it up on google and it said that

B. convex since the words are bigger