Question

which is the best way to complete the text? carmen was an experienced speed chess ______ still struggled with the pace of competitive tournaments. player but player; but player, but

Explanation:

In this sentence, "Carmen was an experienced speed - chess player" is an independent clause, and "still struggled with the pace of competitive tournaments" is another independent clause. A comma is used to separate an independent clause from a coordinating conjunction "but" that begins the next independent clause.

Answer:

C. player, but