I got to know him five years ago. We have been in close touch with each other .A. sometime

问题补充：

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

答案：

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。