“麻屋子，红帐子，里面睡个白胖子”是一个描述花生的谜语．从果实和种子的形成看，分别发育成“麻屋子”“红帐子”的是（　　）

A．子房壁和珠被

B．珠被和受精卵

C．子房壁和胚珠

D．胚珠和受精卵

— Is your grandma still ____?

— Of course, she ____ with my aunt in the countryside. [ ]

A. live, lives

B. living, alive

C. alive, lives

D. alive, live