After Reading the Paragraph Below, Answer the Question(s) That Follow(s)

Multiple Choice

After reading the paragraph below, answer the question(s) that follow(s) .
Sarah is a 40-year-old woman. She understands that the quality of her eggs has declined markedly since she was about 35. However, she also is aware that the ability of the rest of the female reproductive system to carry out a successful pregnancy resulting in the birth of a normal healthy child is not nearly so sensitive to age.
-What is the primary underlying cause of the decline in Sarah's egg quality?

A) genomic instability leading to rearrangements, duplications, and deletions of genes and chromosomes
B) reduced ribosomal activity and therefore protein synthesis
C) changes in membrane composition
D) altered mitochondrial function leading to compromised cellular energetics