23. We first met on a train in 2000. We both felt immediately that we _______

問題詳情

23. We first met on a train in 2000. We both felt immediately that we ________ each other for years.
(A)knew
(B)have known
(C)had known
(D)know

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)