Yasmine's Grandfather Used to Be Able to Recall All Sorts

Multiple Choice

Yasmine's grandfather used to be able to recall all sorts of random facts.Now that he is slower to do this,Yasmine's mother believes that it is due to the fact that grandpa's brain is shrinking with age.Yasmine,a psychology student,retorts her mother's belief with which piece of evidence?

A) The adult brain from the age of 40 onwards loses significant numbers of neurons each day.
B) We are born with all the neurons we will ever have.
C) If the brain is shrinking, it is due to water loss or myelin and not loss of neurons.
D) New neurons are formed in certain parts of the brain throughout the lifespan.