Pilar, at 55 years of age, has been experiencing difficulty ...

[Chloeellawright]

Pilar, at 55 years of age, has been experiencing difficulty processing information, comprehending verbal meaning, and expressing herself verbally. Most likely, she is
 
  experiencing normal changes in the aging process.
  experiencing changes of aging that while unusual, are still within normal
  limits.
  ill in some way.
  addicted to or abusing alcohol or drugs.

Question 2

Frank and Joe are 55-year-old monozygotic twins. Since their genes are identical, according to research, how will they age?
 
  They will age identically.
  They will age very similarly.
  If one shows minor variations in ability, so will the other.
  One can show much variation in ability and the other may not.

[kingfahad97]

Answer to Question 1

ill in some way.

Answer to Question 2

One can show much variation in ability and the other may not.