I got to know him five years ago. We have been in close touch with each other .
A. sometime
B. sometimes
C. ever before
D. ever since
网友回答
A. sometime
B. sometimes
C. ever before
(答案→)D. ever since
解析：考查时态与副词辨析。A某时；B有时；C以前；D从那时到现在；ever since与现在完成时连用；句意：我五年前认识了他，从那时到现在我们一直都保持着密切的联系。根据句意说明D正确。