If you are not__by then.I`ll take you to see the doctor.A good B well C fine D better

If you are not__by then.I`ll take you to see the doctor.A good B well C fine D better
If you are not__by then.I`ll take you to see the doctor.
A good B well C fine D better

If you are not__by then.I`ll take you to see the doctor.A good B well C fine D better
后面说去看医生,因此是病了.既然是病了,说话者就是希望他好起来.因此选 D better （病好些）

fine
A好
B修饰动词的，好
C好，舒服的
D更好的