Which of the following uses of an adjective or adverb is correct? A)Eating good is always Uncle Bills motivation. B)Knowing her studies…

Which of the following uses of an adjective or adverb is correct?

A)Eating good is always Uncle Bills motivation.

B)Knowing her studies well was her focus.

C)I want to go see that movie so bad.

D)He felt badly because of his cold.