单选题The little girl  &nb

问题补充：

单选题Thelittlegirl,butherfamilywastoopooratthattime.A.could go to schoolB.could have gone to schoolC.must have gone to schoolD.can have gone to school

答案：

B解析对过去事情表示猜测，应用情态动词的完成式。could have done表示“本有可能，但却没有”。