Which of the following sentences expresses a future action？A．He is always thinking of how

Which of the following sentences expresses a future action？

A．He is always thinking of how he could do more for the people.

B．Are you doing anything special tonight？

C．How are you getting along these days？

D．We are wondering if you have any suggestion.

请帮忙给出正确答案和分析，谢谢！