Respuesta :
In the given sentence the word "after' is subordinating conjunction since option A is correct.
Definition of subordinate conjunction:
Conjunction that connects a primary clause to a clause that does not stand alone as a complete sentence.
Which part of speech is the word after?
The following are some examples of subordinating conjunctions: though, until, until, when, where, if, while.
Learn more about the subordinate clause here: https://brainly.com/question/521108
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