_____ the ruling came from the Supreme Court, a coalition of public sector unions in California was ready with a response.

2023-05-26

A、If
B、Once
C、Since
D、Unless


参考答案:B

本题考查语义逻辑。一旦最高法院做出裁决,加州的公共部门工会联盟已经准备好做出回应。故本题选B.

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