I am a determined personI have made up my mind nothing can change my mind.A. OnceB. Th

问题补充：

I am a determined person. I have made up my mind, nothing can change my mind.

A. Once

B. Though

C. Unless

D. Until

答案：

(答案→)A. Once

B. Though

C. Unless

D. Until

解析：连词辨析。A一旦；B尽管；C除非,如果..不…;D直到…才..；句意：我是一个意志坚定的人，一旦我下定了决心，没有什么能改变我的想法。故A正确。