Read this sentence and answer the question.

Players often return to a game after a head injury, because they do not want their coaches or trainers to think they are over-reacting to their injury or worse, to be considered weak by their fellow athletes.

Which punctuation edit to the underlined part of this sentence clarifies its message?

Players often return to a game after a head injury; they
Players often return to a game after a head injury—they
Players often return to a game after a head injury . . . they
Players often return to a game after a head injury, they
WILL MAKE BRAINLIST