题目内容：
Questionsarebasedonthefollowingpassage.Aswehaveseen,thefocusofmedicalcareinoursocietyhasbeenshiftingfromcuringdiseasetopreventingdisease—especiallyintermsofchangingourmanyunhealthybehaviors,suchaspooreatinghabits,smoking,andfailuretoexercise.Thelineofthoughtinvolvedinthisshiftcanbepursuedfurther.Imagineapersonwhoisabouttherightweight,butdoesnoteatverynutritious（有营养的）foods,whofeelsOKbutexercisesonlyoccasionally,whogoestoworkeveryday,butisnotanoutstandingworker,whodrinksafewbeersathomemostnightsbutdoesnotdrivewhiledrunk,andwhohasnochestpainsorabnormalbloodcounts,butsleepsalotandoftenfeelstired.Thispersonisnotill.Hemaynotevenbeatriskforanyparticulardisease.Butwecanimaginethatthispersoncouldbealothealthier.
Thefieldofmedicinehasnottraditionallydistinguishedbetweensomeonewhoismerely“notill”andsomeonewhoisinexcellenthealthandpaysattentiontothebody’sspecialneeds.Bothtypeshavesimplybeencalled“well.”Inrecentyears,however,somehealthspecialistshavebeguntoapplytheterms“well”and“wellness”onlytothosewhoareactivelystrivingtomaintainandimprovetheirhealth.Peoplewhoarewellareconcernedwithnutritionandexercise,andtheymakeapointofmonitoringtheirbody’scondition.Mostimportant,perhaps,peoplewhoarewelltakeactiveresponsibilityforallmattersrelatedtotheirhealth.Evenpeoplewhohaveaphysicaldiseaseorhandicap（缺陷）maybe“well,”inthisnewsense,if they make an effort to maintain the best possible health they can in the face of their physical limitations. “Wellness” may perhaps best be viewed not as a state that people can achieve, but as an ideal that people can strive for. People who are well are likely to be better able to resist disease and to fight disease when it strikes. And by focusing attention on healthy ways of living, the concept of wellness can have a beneficial impact on the ways in which people face the challenges of daily life.
Today medical care is placing more stress on ________.
A．keeping people in a healthy physical condition
B．monitoring patients’ body functions
C．removing people’s bad living habits
D．ensuring people’s psychological well-being
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