So the sentence is -

```

    Naze sore o shimashita ka?
    
```

But isn't Naze the subject here and hence should have a が in front of it? I
had read this in a text book that a subject is followed by が.
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2023-03-30T11:23:36.567
99115
2023-03-31T00:42:42.290
56159
question
particle-が subjects
Why is が not used in the following situation?