《联合国宪章》的宗旨包括
①维护国际和平与安全
②发展国际间的友好关系
③以和平方法解决国际争端
④增强普遍和平等
A:①②③
B:②③④
C:①②④
D:①③④
Meimei is going to be an older sister. Her parents are planning to have their ________ child.