Which of the following statements are correct?
(A) Men in Paleolithic age, survived on hunting animals and birds, fishing, fruits and nuts.
(B) Men in Mesolithic age, domesticated some animals and started to stay in one place.
(C) Men in Mesolithic age invented the wheel for transportation .
(D) Men in Chalcolithic age started the practice of agriculture.
Choose the correct answer from the options given below: