Answer: A
Explanation:
To make a compound sentence, a writer uses coordinate conjunction to connect two independent clauses.
What is coordinating conjunction?
Coordinating conjunction is used to join two or more clauses together to make a sense full sentence.
The conjunctions are or, but, yet, and, etc. An example is Shruti is tall, but her sister is short.
Thus, the correct option is A, coordinating conjunction.
