Visitors to the zoo have often looked up in to the leafy aviary andsaw macaws resting on the branches, whose tails trail like brightly colored splatters of paint on a green canvas.
(A) saw macaws resting on the branches, whose tails trail- Whose is referring to "branches" and branches don't have a tail - A is Out
(B) saw macaws resting on the branches, whose tails were trailing- Whose is referring to "branches" and branches don't have a tail - A is Out
(C) saw macaws resting
...
(A) saw macaws resting on the branches, whose tails trail- Whose is referring to "branches" and branches don't have a tail - A is Out
(B) saw macaws resting on the branches, whose tails were trailing- Whose is referring to "branches" and branches don't have a tail - A is Out
(C) saw macaws resting
...
