请选择ABCD;@6J)~ After a number of disagreements with the committee，the chairman was determined to _________.2l,H)X+k5?2J;i/j2e
A.retire2l,H)X+k5?2J;i/j2e
B.withdraw2l,H)X+k5?2J;i/j2e
C.retreat2l,H)X+k5?2J;i/j2e
D.resign2l,H)X+k5?2J;i/j2e