-you ever Tom before ?-No I him just two minutes ago.A. Did know ; metB. Have

问题补充：

---- you ever Tom before ?

---- No, I him just two minutes ago.

A. Did, know ; met

B. Have, known ; have met

C. Have, known; met

D. Did, know; had met

答案：

A. Did, know ; met

B. Have, known ; have met

(答案→)C. Have, known; met

D. Did, know; had met

解析：题中有before，强调对现在造成的影响，所以用现在完成时；题中有ago强调事情发生在过去，故用过去时，故选C.