单选题His uncle went abroad&nbs

问题补充：

单选题Hisunclewentabroadin,and_______since．A.has not been heard ofB.had not been heard ofC.had not heard ofD.has not heard of

答案：

A解析考察时态。根据前一句可知他叔叔出国，本题的关键词是since,这里是指出国以后就没有被听说过。