Read the excerpt. Then choose the correct way to complete the sentence.
(1) Presently, I heard a noise again, and woke up quietly, without starting, but just opened my eyes and peered
about as well as the dim light of the little oil-lamp would allow me.
(2) To my great surprise, I could make out somehow that Lemarchant was meddling with the bottles in the
medicine-chest....
(3) At four I woke, as I always did, and proceeded to take one of my powders. Curiously enough, before I tasted it.
the grain appeared to me to be rather coarser and more granular than the quinine I had originally put there. I took
a pinch between my finger and thumb, and placed it on my tongue by way of testing it. Instead of being bitter, the
powder, I found, was insipid and almost tasteless....
(4) Glancing accidentally to his place that moment, I was vaguely conscious that he was not really sleeping, but lying
with his eyes held half open, gazing at me cautiously and furtively through his closed eyelids.
(5) Then the horrid truth flashed suddenly across me. Lemarchant was trying to poison me....
(6) I saw at once what Lemarchant had done. He had emptied out the quinine and replaced it by some other white
powder, probably arsenic. But a little of the quinine still adhered to the folds in the paper, because he had been
obliged to substitute it hurriedly; and that at once proved that it was no mistake of my own, but that Lemarchant