—— Mum, I think I’m ＿＿＿＿＿ to get back to school.

—— Not really, my dear. You’d better stay at home for another day or two.

A．so well

B．so good

C．well enough

D．good enough

下列变化属于化学变化的是[ ]

A．干冰升华

B．电解水制氢气和氧气

C．汽油挥发

D．海水通过高分子分离膜制淡水