What Is the Main Difference Between Pseudo-Dementia and Dementia

What is the main difference between pseudo-dementia and dementia?

A) Pseudo-dementia has an earlier onset, while dementia develops later.
B) Pseudo-dementia involves loss of cognitive functioning, whereas idementia refers to the loss of one's normal personality.
C) Pseudo-dementia involves a decrease in the individual's capacity to care for him or herself, while dementia usually does not.
D) The loss of cognitive functioning in dementia is reversible.
E) The loss of cognitive functioning in pseudo-dementia is generally not degenerative.