we---the house not because of its style,but because of econo

the solution is BA。set off1。出发,动身They set off in search of the lost child。他们出发寻找失踪的孩子。2。使爆炸B gave up1。让出He gave up his seat to an old man。他让座给一位老人。2。放弃The girl gave up halfway。这女孩中途放弃。3。戒绝I wish I could give up drinking。我真希望自己能戒酒。C。put away1。把。。。收起;放好Put away the tools after work,will you?工作结束后请把工具收拾好。2。储存3。抛弃;放弃d 。settle dwon安顿下来Uncle George didn't settle down until he was nearly fifty。乔治叔叔一直到快五十岁时才安顿下来。I want to get married and settle down。我想结婚安顿下来。从以上的分析可以看出,giveup 和putaway都有抛弃,放弃的意思。但是,我们参考英文原意就可以看出两者不同give upgive up or agree to forgo to the power or possession of another“放弃或同意放弃某种权利,或者占有其他物”put away英文意为：“throw or cast away”如：Put away your worries打消你的顾虑综合以上分析,选B较好符合题意。大意为：我们放弃购买这所房子,不是因为它的式样问题,而是出于经济考虑。