单选题 Due to an upturn in the economy, the possibility of going bankrupt has ______ significantly.
【正确答案】 B
【答案解析】选项B正确,“lessened”是过去分词形式的不及物动词,用于描述名词词组“possibility of going bankrupt”。选项A、C和D都是及物动词,需要直接加宾语。