How are you today?Much___,but my doctor says I will still have to rest for another few days.

better

因为这里有比较的意思，所以well和good都不对

best有最的意思，显然在这里不合适

better刚好合适

你今天感觉怎么样啊，好多了，可是医生说我还要休息几天

better

I feel much better today.