Carla and Ben Have Been Married for 50 Years

Carla and Ben have been married for 50 years. During that time, Carla stayed home raising their children and maintaining their household while Ben worked for an engineering firm. When they reach retirement age, together Ben and Carla are eligible to receive

A) 150 percent of Ben's Social Security benefits.
B) half of Ben's Social Security benefits.
C) only Ben's Social Security benefits.
D) 200 percent of Ben's Social Security benefits.