You are asked to revise this sentence so it contains no dangling or misplaced modifiers.

We hid behind the bushes waiting for squirrels holding our cameras.

Which choice is the best answer?
a. There is no revision needed. The original sentence is correct as it is.
b. Holding our cameras, we hid behind the bushes waiting for squirrels.
c. Holding our cameras, we waited for squirrels hiding behind the bushes.
d. We waited for squirrels hiding behind the bushes holding our cameras.