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

A. This philosopher Descartes thought that both men and animals were machines.

B. But a machine such as a motorcar or a steamship moves itself, and as soon as machines which moved themselves had been made, people asked, “Is man a machine ?”

C. Therefore, some scientists think that life is just a very complicated mechanism.

D. He also thought that the human machine was partly controlled by the soul action on a certain part of the brain, while animals had no souls.

ADBC

The correct answer is Option (3) - ADBC

A. This philosopher Descartes thought that both men and animals were machines.

D. He also thought that the human machine was partly controlled by the soul's action on a certain part of the brain, while animals had no souls.

B. But a machine such as a motorcar or a steamship moves itself, and as soon as machines which moved themselves had been made, people asked, “Is man a machine?”

C. Therefore, some scientists think that life is just a very complicated mechanism.

The correct sequence is ADBC.