与维持脏腑组织器官、经络进行正常生理活动有关的是气的（）

A.防御作用

B.温煦作用

C.推动作用

D.固摄作用

E.气化作用

The Customs shall reply in writing within （） from the date of receipt of the application for the refund of the duty paid and notify the applicant of its decision.

A. one month

B. two months

C. three months

D. six months