When It Comes to Choosing Between Simultaneous and Sequential Lineups

When it comes to choosing between simultaneous and sequential lineups:

A) some research shows an advantage for simultaneous lineups while other research shows an advantage for sequential ones.
B) the biggest level of difficulty is to pass legislation that would mandate changes in the lineup procedures.
C) prosecutors' misunderstanding of what research studies mean for their practices makes it close to impossible to change the procedures.
D) sequential lineups are favored by the prosecution side while simultaneous lineups are favored by the defense side.