单选题 One drawback of having a printer at every workstation is the high cost.

【正确答案】 A

【答案解析】drawback“缺点、障碍”；mistake意为“错误”显然不合题意； merit和advantage意思相近，都可解释为“优点、优处”，更不适合原句，disadvantage“不利之处、弱势”与drawback近义，故选A。