Read the poem below and answer the question.
The Eagle
He clasps the crag with crooked hands;
Close to the sun in lonely lands,
Ringed with the azure world, he stands.
The wrinkled sea beneath him crawls;
He watches from his mountain walls,
And like a thunderbolt he falls.
What kind of metrical feet does the poem use?
iambic
trochaic
dactylic
anapestic