What Is the Essential Difference Between a Situational Interview (SI)

Multiple Choice

What is the essential difference between a Situational Interview (SI) and a Behavioural Description Interview (BDI) ?

A) SIs, but not BDIs, tend to be good predictors of job performance.
B) BDIs, but not SIs, tend to be good predictors of job performance.
C) SIs involve asking applicants what they would do in hypothetical situations.
D) BDIs involve asking applicants about their future job behaviours.