Jeannie Has Always Divided Her Attention Very Well

Jeannie has always divided her attention very well. For example, she could talk on the telephone while preparing dinner, and do half a dozen other things at the same time. Jeannie is now in her elderly years. According to the text, Jeannie MOST likely has:

A) maintained this ability.
B) permanently lost this ability.
C) forgotten how to do most of these activities.
D) temporarily lost this ability but can regain it if she practices daily.