<span>As the door slowly creaked open, Jessie peered carefully into the vast darkness, holding her breath.
The "slowness" of the creaking door and the "vast darkness" add a weight to the sentence unlike the others. </span>
The purpose of drawing conclusions is to READ FOR MEANING.
Reading for meaning involves understanding both the written and the implied information in a particular story. There is no way one can possibly draw correct conclusions if one doesn't understand what has been read.
Conclusions are drawn by using clues from the passage read to develop a reasonable judgement.
The answer is whisper: shout.
Hope this helps!!