Option c is the correct answer. The earliest known use of iron for sculpting was in the Vedic period, which began around 1500 BCE. The Harappan Age was a Bronze Age Culture. Iron was not widely utilized during this period for artistic purposes. Instead, the Harappan civilization is known for its impressive urban planning, advanced drainage systems, standardized weights and measures, and the use of a script that remains undeciphered. The art of sculpting in the Harappan Civilization predominantly utilized materials such as stone, terracotta, and bronze, with stone being a prominent medium for sculpture. Important Tips The Harappans were skilled sculptors who created two particularly impressive types of figures: male torsos and bearded priests. The male torsos are typically carved from red sandstone, and they often depict the figure in a frontal pose with the arms at the sides. The bearded priests are also impressive sculptures, and they are often depicted wearing elaborate clothing and jewelry.