Which compound sentence establishes an appropriate relationship between clauses? A) Gary decided not to go to the baseball game, so he went to the golf tournament.
B) Gary decided not to go to the baseball game, and he went to the golf tournament.
C) Gary decided not to go to the baseball game; instead, he went to the golf tournament.
D) Gary decided not to go to the baseball game, moreover, he went to the golf tournament.

Answer is C

C) Gary decided not to go to the baseball game; instead, he went to the golf tournament.  (correct word choice AND correct punctuation)

Explanation:

A. and B. use coordinating conjunctions correctly to create a compound sentence; however, neither word choice makes sense in this given contexts.

D. attempts to create a compound sentence, but fails because of the wrong word choice and wrong punctuation.

i don't know and i don't care .

c. to understand which information will best persuade your readers. (apex) correct answer.