______are the possible courses of action from which choices can be made.
- A Alternatives
- B Alternates
- C Alternations
- D Alternators
问题
______are the possible courses of acti
参考解析：
[解析] 选项A意为可能性之一；选项B意为轮流、交替，是动词；选项C为名词，意为轮流，交替；选项D意为交流发电机。根据题意，机会不止一两个，故选A。
分类：其他
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