Mr Smith---out for a walj in the park every day A has gone away B had gone away Chas left Dhas be

选A（单数第三人称用has,时态是一般现在时）
B是过去完成式、与题目everyday一般现在时语境不符
C中left out没有这种搭配
D本身就是错的错在我真对不起。MrSmith()out for a walk in the park every dayA is goingBgoesCwentDgo选B 一般现在时，单数第三人称用goes