**Jane was holidaying with her family in a wildlife park (when) she was bitten on the leg by a lion.**这题选择中,为什么只能用when而不能用while?

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**Janewasholidayingwithherfamilyinawildlifepark(when)shewasbittenonthelegbyalion.**这题选择中,为什么只能用when而

**Jane was holidaying with her family in a wildlife park (when) she was bitten on the leg by a lion.**这题选择中,为什么只能用when而不能用while?
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Jane was holidaying with her family in a wildlife park (when) she was bitten on the leg by a lion.
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这题选择中,为什么只能用when而不能用while?

**Jane was holidaying with her family in a wildlife park (when) she was bitten on the leg by a lion.**这题选择中,为什么只能用when而不能用while?
when和while在使用上有这样一个区别:when引导的时间状语从句在主句动作发生之后发生,while引导的时间状语从句发生在主句动作发生之前.
如:He was walking along the street when the accident happened.=The accident happened while he was walking along the street.

因为前面是was holidaying 是进行时,而while则是强调一段时间的(不用于进行时),所以应该用when吧