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

A. Most of the information on migration has come from ringing young and adult birds.

B. A detailed record is kept in a special register and then the bird is released.

C. A light aluminium ring stamped with a number and return address is fastened to the bird before it leaves the nest.

D. In Europe and America, the method of ringing birds has been extensively employed in recent years for collecting factual data.

CDBA

The correct answer is Option (3) - CDBA

The correct order is: CDBA

C. A light aluminium ring stamped with a number and return address is fastened to the bird before it leaves the nest.
D. In Europe and America, the method of ringing birds has been extensively employed in recent years for collecting factual data.
B. A detailed record is kept in a special register and then the bird is released.
A. Most of the information on migration has come from ringing young and adult birds.