单选题
The sales manager"s job ______ includes market research, sales planning, assigning tasks to each sales group, and handling customer complaints.
【正确答案】
B
【答案解析】[解析] 词汇：名词
1．这是一道词汇题，选项均为名词。
2．销售经理在业务上的工作是动词include的宾语，description意为“工作内容说明”与动词include搭配最为恰当，因此B为正确选项。