Nurse:Is there anything beothering you these days?Client:Yes.I feel much____(压力)in my

Nurse:Is there anything beothering you these days？

Client:Yes.I feel much____(压力)in my new job and I alwasys work very late,I am very tired.

A.stress

B.psychological

C.biological

D.organism

请帮忙给出正确答案和分析，谢谢！