Identify the type of error in the sentence.
sliding down the hill, my arm was broken.
definition structure
explanation structure
parallel structure
dangling construction

I think its dangling construction but im not sure

The answer should be c

As the boys sleep, military airplanes battle fiercely above the island. none of the boys sees the explosions and flashes in the clouds because the twins sam and eric, who were supposed to watch the signal fire, have fallen asleep. during the battle, a parachutist drifts down from the sky onto the island, dead.