单选题Only when medical expense

问题补充：

单选题Onlywhenmedicalexpensesarereducedaccesstopropermedicaltreatment.A.poor people do haveB.poor people can haveC.can poor people haveD.do have poor people

答案：

C解析考查倒装句。only＋状语从句后接半倒装结构。can提到主语前，动词have放后。