The treasurer’s job includes managing all of the following except:_财务主管的工作包括以下所有方面的管理：_（）

A. the tax department （税务部门）

B. the analysis of proposed mergers and acquisitions （拟议并购分析）

C. the firm’s exposure to currency and interest rate risks （公司面临的货币和利率风险）

D. relations with the external investment community （与外部投资界的关系）