Filming of Skilled Typists' Fingers Shows That

Multiple Choice

Filming of skilled typists' fingers shows that

A) The fingers move simultaneously if possible, so that the order in which the fingers begin their movements is not the order in which they complete their keystrokes
B) The fingers move sequentially, so that the order in which the fingers begin their movements is the same as the order in which they complete their keystrokes
C) Absence of evidence for coarticulation in typing
D) Absence of evidence for timing in typing