What do you mean what happend
Sentence A's use of a semicolon is meant to show a connection between two different ideas. Sentence B's use of the colon is used to precede a list or explanation.
<em>The correct answer is A. because the coma is at the place then all the other choices:) </em>
<em>* Hopefully this helps:) Mark me the brainliest!!!</em>
The answer that i think is the best choice is b, a sense of moving forward without pauses for reflection