A：人民日益增长的物质文化需要同落后的社会生产之间的矛盾
B：人民日益增长的物质文化需要和不平衡不充分的发展之间的矛盾
C：人民日益增长的美好生活需要和不平衡不充分的发展之间的矛盾
D：人民日益增长的美好生活需要同落后的社会生产之间的矛盾
阅读短文，根据短文内容选择正确答案。 My name is Peter．I am 12．I have one brother and one sister．My brother is 15 and my sister is 9．I have a friend．He is an English boy．His name is Tanaka．He is in my class．I have a dog, too．Its name is Billy．Billy is 2．I like sports．I play basketball, soccer and volleyball after class（放学后）．I have one pencil case, two English books and three Chinese books．
— Thank you.
— _______.
