Examine the four jumbled sentences. Out of the given options, pick the one that gives their correct order.

A. Though, they are functionally similar to the humming birds of the New World, they are totally unrelated.

B. They do eat small insects too.

C. They are also some of the most brilliantly-coloured birds.

D. Sunbirds feed on nectar mostly and help in pollination.

DBAC

The correct answer is Option (4) - DBAC

The correct order of the jumbled sentences is DBAC.

• Sentence D is the first sentence because it introduces the main idea of the paragraph. It tells us that sunbirds feed on nectar mostly and help in pollination.
• Sentence B follows sentence D because it provides more information about the diet of sunbirds. It tells us that they also eat small insects.
• Sentence C follows sentence B because it highlights another unique feature of sunbirds. It tells us that they are some of the most brilliantly-colored birds.
• Sentence A follows sentence C because it provides a contrast to the previous sentence. It tells us that sunbirds are functionally similar to hummingbirds, but they are not related.