Read the following passage and mark letter A, B, C, or D to indicate the correct word that best completes each blank.

It is now generally ___(1)___ that stress is a major cause of heart disease, and contributes to many other illnesses. Stress is increased by factors such as worry, overwork and lack of exercise or ___(2)___. It is just as important from a psychological point of view to relax as it is to take physical exercise. Relaxing does not necessarily mean just lazing about and ___(3)___ nothing. The benefits of a weekend away or the diversion of sporting activities are considerable. If you are suffering from high stress levels, or wish to wind down after a trying day, it is generally advisable to have a change of scene. Although there are some individuals ___(4)___ thrive on stress, for most of us, it can lead ___(5)___ exhaustion, mood swings and even severe depression.