Final answer:
Answer D, volume - liter, is not a base SI unit for measuring volume; the base SI unit for volume is the cubic meter (m³).
Step-by-step explanation:
The student is tasked with identifying which of the given options is not a SI unit of the property it measures. The options provided are time - second, mass - kilogram, length - meter, and volume - liter. Among these, the second, kilogram, and meter are all base units in the International System of Units (SI). However, the liter is not a base SI unit; instead, the base unit for volume in the SI system is the cubic meter (m³). Therefore, the correct answer to this question is D. volume - liter.