——Bob has gone to California.
——Oh, can you tell me when he ?
A. has left B. left C. is leaving D. would leave
——Bob has gone to California.
——Oh, can you tell me when he ?
A. has left B. left C. is leaving D. would leave
B
考查动词的时态。句意为“——Bob已经去了加利福尼亚。——噢，你能告诉我他什么时候离开的？”Bob has gone to California，去的动作已经发生过，说明他离开的动作发生在过去，因此使用一般过去时。选B。