单选题 Monthly job growth has picked up this year, factory output and business investment have advanced, consumer spending and the housing market have been mixed.
【正确答案】 D
【答案解析】解析：分析题干可知，题干中用逗号连接了三个相互独立的完整的句子，因此本句犯了“逗号叠加”的语法错误。因此本题应选D项。