A：他舅舅的女儿
B：他姨妈的女儿
C：他姑妈的女儿
D：他嫂嫂的妹妹
When you feel helpless and _______, just remember you are not _____ in the world because your friends are around you, including me.
购买白菜的单价一定，买白菜的重量数与总价成反比例．
