Pick out the invalid element naming rule for an XML element from the following…

NVS Computer Science / IT Teacher Recruitment · Computer Science · 2017

1. A.

   Names can start with a number or punctuation character.

2. B.

   Names can contain letters, numbers, hyphens, underscores and periods.

3. C.

   Names cannot contain spaces

4. D.

   Names must not start with the letters XML in any case combination.

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