Which of the following from "The Tell-Tale Heart" is an effective use of juxtaposition?



1. I undid the lantern cautiously-oh, so cautiously

2. … the shutters were close fastened, through fear of robbers...

3. I turned the latch of his door and opened it --oh so gently!

4. The sound "grew louder--louder--louder! And still the men chatted pleasantly,