1) A piece of toast got stuck in his throat while he was gulping down his breakfast.
2) The problem was resolved in Tom's mind after many hours of prayer.
3) Dust gets in my eyes while cleaning.
4) The night was strangely quiet while unrolling the sleeping bag.
Hope This helped! Good luck!
-Lion
A seems like the most logical answer.
These will strengthen your argument. evidence from unbiased (aka, unopiniated and objective) and reliable (credible, believable) sources definitely gives you more to back up what you're saying.
