Read this line from Frankenstein by Mary Shelley:

It was already one in the morning; the rain pattered dismally against the panes, and my candle was nearly burnt out, when, by the glimmer of the half-extinguished light, I saw the dull yellow eye of the creature open; it breathed hard, and a convulsivemotion agitated its limbs.
Which words give the best clues to the meaning of convulsive?
1) Glimmer

2) Dull

3) Creature

4) Agitated

Question

Read this line from Frankenstein by Mary Shelley:

It was already one in the morning; the rain pattered dismally against the panes, and my candle was nearly burnt out, when, by the glimmer of the half-extinguished light, I saw the dull yellow eye of the creature open; it breathed hard, and a convulsivemotion agitated its limbs.
Which words give the best clues to the meaning of convulsive? 
1) Glimmer

2) Dull

3) Creature

4) Agitated