The human brain is ten times the size of a baboon’s. It weighs about 1,400 grams.

A The size of human brain is ten times that of a baboon’s which is about 1,400 grams weigh.

B The size of a baboon’s brain is 1,400 grams, ten times that of the human one.

C The human brain, which weighs about 1,400 grams, is ten times the size of a baboon’s.

D The weight of a baboon’s brain is 1,400 grams, ten-fold than that of the human one.