单选题 .                                   
WORKING IN SALES

    Working in sales is one of the few areas where first impressions really matter. Good sales people     1    to have the personality to get on with customers. Three years ago, Julian Agostino identified a     2    . For matching     3    right people to sales jobs, and began Sales Moves, a recruitment fair, to achieve     4    . He got the idea after he was     5    in setting up a telesales company and found     6    was difficult to recruit good people. He says: "    7    the sales sector is enormous, there appeared to be     8    specialist recruitment help. I decided to hold fairs across the country, which allowed employers and employees to meet. " His company is doing very well.     9    recently, most companies asked for graduates and offered the chance to go on to work in     10    parts of the company later on. Today, many are more interested     11    recruiting good sales people—high achievers     12    career will continue in sales.1. 
【正确答案】 A
【答案解析】 need做实意动词可与不定时搭配;must和should后面只能接动词原形。