Which of the following can account for better performance of bilinguals in doing non－inhib

Which of the following can account for better performance of bilinguals in doing non-inhibition tasks？

A．An ability to monitor surroundings.

B．An ability to ignore distractions.

C．An ability to perform. with less effort.

D．An ability to exercise suppression.

请帮忙给出正确答案和分析，谢谢！