The author suggests dwellings in Ireland changed many times over the course of history. Which
detail from the text best supports this inference?
"Because these materials rotted away long ago, leaving no visible clues aboveground,
few remains of buildings have been uncovered."
B "Some 2,000 years later, during the Bronze Age, circular houses, commonly termed
roundhouses, became the preferred design."
"Today, evidence of roundhouses usually survives only as a series of postholes, most
about 40 inches apart and dug in a circular pattern."
"In fact, it is such a good roofing material that many houses in Ireland still use it today."