Please ask the salesgirl .
A. how much did it cost
B. how much it costs
C. how much it costed
D. it cost how much
网友回答
A. how much did it cost
(答案→)B. how much it costs
C. how much it costed
D. it cost how much
解析:考察宾语从句及时态。句意:请问问这个售货员它卖多少钱。可知从句叙述的是一个客观存在的事实,故用一般现在时态。宾语从句一般为陈述语序,疑问词提前,故选B。