When Comparing Older and Young Adults in Task Performance, Studies

When comparing older and young adults in task performance, studies have found

A) age differences in divided attention tasks are typically absence regardless of difficulty of the task.
B) older people are less distractible and better able to disregard irrelevant information in divided-attention tasks.
C) younger adults have lower physiological arousal.
D) older individuals are more distracted and unable to disregard clutter of irrelevant information.