GMAT Sentence Correction (SC) | Re: Already controversial figures in the media, the Raelians

Already controversial figures in the media, the Raelians advocatethat humans be cloned, a practice that, to the Raelians, reflects the origin of human life as coming from cloning practices used by aliens thousands of years ago.

(A) that humans be cloned, a practice that, to the Raelians, reflects the origin of human life as coming from cloning practices used by aliens thousands of years ago.

(B) that humans practice cloning reflecting the origin of human life as coming from cloning practices