Answer:
The correct answer is C = Comma - ,
Step-by-step explanation:
It isn't A because (. . .) is for a long pause, and the question says pause not long pause. It isn't B because (--) is a long hesitation and the question is asking for a normal pause. Finally, it isn't D because (.) is to end a sentence and the question is asking for a pause not to finish the sentence and start a new one. The only correct option is C.