" he had been trying to fancy them causeless, but could not. He had been saying to himself - " it is nothing but the wind in the Chimney- it is only a mouse crossing the floor ," or " it is merely a cricket which has made a single chirp." Yes, he had been trying to comfort himself with these suppositions: but he had found all in vain."
Which common word best replaces suppositions in the sentence?
A) images
B) guesses
C) signals
D) warnings