在等边三角形、平行四边形、矩形和圆这四个图形中，即是轴对称图形，又是中心对称图形的有[ ]

A.1个

B.2个

C.3个

D.4个

My little brother __________my room and I was angry.    [ ]

A. mess up                          

B. mess around    

C. messed up                        

D. messed around