Which of the Following Statements About Divided Attention Is False

Which of the following statements about divided attention is false ?

A) It is possible to perform two effortful tasks simultaneously, as long as each taps into the same attentional resources.
B) Attention can't be divided beyond a certain point without a loss in performance.
C) If you try to spread your attention over too many tasks, you run out of attention.
D) When one task becomes automatic, it is usually easy to do something else at the same time.