The kitchen need painting badly and I must get it done.

Options

A. need painting badly
B. The kitchen
C. No error
D. and I must get it done

Answer

A

Explanation

Here, Subject is Singular.
There is also a split infinitive related error.
`{:("paint → Inf"),(" "darr),("Verb"),("badly painting → Split inf."),(" "darr),(Adv.):}`
Hence, badly needs painting is the right usage.