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Web程序设计单选题中等

在`try...catch...finally`结构中,`catch`块的参数类型可以是?

0{ "key": "A", "text": "只能是字符串" }
1{ "key": "B", "text": "只能是数字" }
2{ "key": "C", "text": "只能是对象" }
3{ "key": "D", "text": "任何类型" }