He may win the competition,___ he is likely to get into the national team.A.in which case B.in that case C.in what case

考查定语从句.故用in which case.
分成两个独立的句子就可用B.
可以改成：He may win the competition.
And he is likely to get into the national team in that case.
whose 表示所有格 与这里的题意也不符合他可能赢得这场比赛，如果这样的话，他就可能进入国家队。不是“...的”的意思吗？which作定语，不是可以是whose吗？He may win the competition. And he is likely to get into the national team in that case.
in that case 如果要改为定语从句要用which

whose 是定语从句中一个常用的关系代词，表\" …… 的\"之意；它可以指\"人的\"，也可以指\"物的\"；

whose + n . 可作主语，宾语，功能与 which , whom (who )相同。如：
Mr King , whose legs were badly hurt , was quickly taken to hospital .
The boss in whose department Mr King worked had heard about the accident .

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您可以在这里详细了解