【正确答案】 B

【答案解析】[解析] 画线词consideration为名词，意为“考虑，原因”。take into consideration意为“顾及，考虑到”。A项effect意为“影响，效果”；例：An unbalanced diet has an adverse effect upon health.饮食摄取不均衡会对健康产生不良的影响。B项account意为“原因；理由；根据”；take into account意为“考虑，重视，体谅”；例：There are four points to take into account here.这里有四条要点需要考虑。C项effort意为“努力，成就”；例：With an effort, he restrained himself.他努力克制自己。D项discount意为“折扣”；例：Is there a discount for staying several days?住几天有折扣吗?故本题选B。