According to general rule, an exclamation mark is used after an interjection or exclamation to indicate strong feelings or high volume, or to show emphasis, and often marks the end o a sentence. is used to mark the end of a complete sentence.
Exclamation marks are occasionally used mid sentence with a function similar to commas, for dramatic effect. However, the use of exclamation mark multiple times in a sentence is incorrect. Thus, the correct answer will be Option A.
The remaining options are incorrect.
The letter 'I' when referring to yourself is always capitalized.