His uncle went abroad in 2010, and since．
A. has not been heard of
B. had not been heard of
C. had not heard of
D. has not heard of
网友回答
(答案→)A. has not been heard of
B. had not been heard of
C. had not heard of
D. has not heard of
解析：考察时态。根据前一句可知他叔叔2010年出国，本题的关键词是since,这里是指出国以后就没有被听说过。