______adequate precautions are taken, there is no risk involved in the operation

游客2025-03-20 20

问题 ______adequate precautions are taken, there is no risk involved in the operation.

选项 A、Although
B、Providing
C、Nevertheless
D、Even

答案 B

解析 providing"只要"，表示条件，是从属连词，相当于provided。有时作providingthat，that可省略。

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