单选题 The contractor underestimated the building costs which turned out to be much more.
【正确答案】 C
【答案解析】题目中的underestimate意为“低估”。四个选项中只有C.undervalued(意为“低估”)与之意思相近。A.estimate意为“估计”;B.overestimate意为“高估”;D.suppress意为“镇压,压制,阻止……”。