[完型填空] Many people would agree that stress is a major problem in modern life. It is certainly true that worry and quarrel can cause all kinds of illnesses, ___1___ backache to severe headaches, or even more serious complaints such as high blood pressure. Many of us think of stress as something that other people ___2___ on us. We often complain about how other people put us under pressure. But we should try not to let such pressure affect us. We should not forget that we are largely ___3___ for some of the stress ourselves. We sometimes take___4___ more work than our bodies and our minds can handle. We should learn to accept our limitations. We should be aware of ___5___ things are really important and which are not.
1. ____ A.impose B.responsible C.which D.from E.on