"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}
I mean I don't agree with this statement but I think its D
You should add the suffix "ship"
Answer: The three correct options are:
1.Ariana got lost on the way to the festival; she ended up twenty miles from where we planned to meet.
3.Ariana got lost on the way to the festival, and she ended up twenty miles from where we planned to meet
4.Ariana got lost on the way to the festival. She ended up twenty miles from where we planned to meet.
Explanation: 1. Use a semicolon between two closely related independent clauses. 3. Use a comma before a coordinating conjunction such as <em>and, but, or, & yet. </em>4. Separate the two clauses into two sentences. Use a period at the end of the first sentence. Start the new sentence with a capital letter.
2. Is incorrect. It is an example of a "comma splice" where a comma is used instead of the other correct options.