我国未成年人保护法保护的对象是指( )
A:青少年
B:未满15周岁的我国公民
C:未满16周岁的我国公民
D:未满18周岁的我国公民
My father was reading a book ________ I was doing my homework.
注射卡介苗可以预防肺结核,注射的卡介苗和接种方法分别属于( )