My brother usually _____ in a townhouse with us. But now he _____ for an apartment near the school.
A:lives; looks
B:living; looking
C:lives; is looking
D:lives; looking
①蝌蚪发育成青蛙 ②“毛毛虫”发育成蝴蝶 ③蚕幼虫发育成蚕蛾 ④雏鸡发育成大公鸡.