问题
选择题
His sister left home in 1998, and _______ever since.
A．has not heard from
B．had not heard from
C．has not been heard of
D．had not been heard of
答案
答案：C
题目分析：句意：他的姐姐在1998年离开家，从那个时候起，再没有听说她。Hear from收到某人的来信，hear of听说，表示自过去某一时刻到说话时这段时间的经历，用现在完成时，选C。