The question below comprises four scattered segments of a paragraph. Identify from among the four choices the sequences that correctly assemble the segments and complete the paragraph.

A.  SI recognizes that although the capacity for software to reason may be manufactured, it is nonetheless real intelligence and not just an imitation of how human beings acquire and apply knowledge and skill.

B. SI software goes beyond simulation, taking advantage of the ways that machines acquire and apply knowledge and abilities at both digital and mechanistic levels.

C. Traditional applications of artificial intelligence have often relied upon software that simply mimics human intelligence by replicating simple human thought processes. 

D. Synthetic intelligence (SI), sometimes referred to as engineered intelligence, is a refinement of the concept of artificial intelligence (AI).