The present_______my desk mate gave me_______more than 100 yuan.      [ ]

A. that ; spent                      

B. who ;took    

C. which ; cost                    

D. /; paid

能够描述双变量资料相互关系的密切程度或方向的统计图是（）。

A.线图

B.散点图

C.百分条图

D.直方图