Its C. Significant world event.
<em>Thank you for writing this very kind message! I know I speak for everyone when I say it is greatly appreciated. I myself am in high school but this site gives me a chance to help people who really need it and spread my knowledge. Have a great day and stay healthy!</em>
A shift in thought can be indicated by the use of C. an em dash.
An em dash is used to set of an interruption that is closely relevant to the sentence but is not grammatically part of it. These set of interruptions can be found in a list, illustration, restatement, shift in thought or tone, summary, or dramatic point.
Semicolon (;) is used to connect independent clauses.
Ellipses (. . .) are used to indicate that material is missing in the sentence or passage.
Answer:
Explanation: there conversation with a person of someone or like a play or movie