Who wrote a commentary on the Brahma sutras refuted Shari Kara and offered an interpretation based on the theistic ideas?

Q. Who wrote a commentary on the Brahma sutras refuted Shari Kara and offered an interpretation based on the theistic ideas?

A.            Nimbarka

B.            Ramanuja

C.            Madhva

D.            Vallabhacharya

Answer: Ramanuja