--- ______ I bring you all the magazines right now?

--- No, you don’t have to, but you ______ give them to me tomorrow.

A．May; can

B．Should; must

C．Can; can

D．Must; had better

右图是人的神经系统和内分泌系统的部分结构示意图，甲、乙、丙、丁分别表示四种腺体，请分析回答：

综上所述，人的各项生命活动受（）调节。