Respuesta :
I think D, it's the only one that makes it clear that it is a person taking a nap - the other sentences could suggest it's the stove or the curtains (or both!) taking a nap :)
D
Which is the best revision of the following sentence?
The curtains near the stove caught on fire, while taking a nap.
A) While taking a nap, the curtains near the stove caught on fire.
B) The curtains near the stove caught on fire, while taking a nap.
C) The curtains while taking a nap near the stove caught on fire.
D) While I was taking a nap, the curtains near the stove caught on fire.