Answer:
Little-known facts about the topic.
Explanation:
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.
A) have you seen him lately?
b)Does she ever set the table properly
c) Have I helped people find themselves?
d) Does The Beatles ha broken any rules?
I know its been a year but hey whatever its A i just took the quiz