Visitors to the park have often looked up into the leafy canopy and saw monkeys sleeping on the branches, whose arms and legs hang like socks on a clothes line.

A. saw monkeys sleeping on the branches, whose arms and legs hang

B. saw monkeys sleeping on the branches, whosearms and legs were hanging

C. saw monkeys sleeping on the branches, witharms and legs hanging

D. seen monkeys sleeping on the branches, witharms and legs hanging

E. seen monkeys sleeping on the branches, whose arms and legs have hung

Can someone help with this one? Thanks.