Donna 78 Years Old and Was Recently Widowed

Donna 78 years old and was recently widowed. Donna sold her house because she couldn't manage the yardwork and now lives in a condominium complex near her son. Donna does most things herself, such as cooking and laundry, but her son helps with odd jobs in the condominium. Which of Donna's life changes reflects the Baltes and Baltes concept of selection?

A) moving out of her house
B) moving to a condominium
C) doing her own cooking
D) having her son help with odd jobs