Given below are four jumbled sentences. Out of the given options pick the one that gives their correct order.

A. When a calf is born under water, the mother must get it to the surface before it drowns.
B. The young ones remain with their parents for up to fifteen years or more.
C. Often another whale assists the mother nudging the baby gently and encouraging it to swim.
D. Whales have highly developed maternal instincts.

DACB

The correct answer is Option (3) - DACB

The correct order of the jumbled sentences is DACB.

• D. Whales have highly developed maternal instincts. This sentence introduces the topic of the paragraph, which is the maternal instincts of whales.
• A. When a calf is born under water, the mother must get it to the surface before it drowns. This sentence states one of the ways in which whales exhibit their maternal instincts.
• C. Often another whale assists the mother nudging the baby gently and encouraging it to swim. This sentence provides more information about how whales help their young to survive.
• B. The young ones remain with their parents for up to fifteen years or more. This sentence summarizes the main point of the paragraph, which is that whales take good care of their young for a long time.