Respuesta :
Answer:
A household has
One husband, one wife which is a couple
And twin three-year old son means 2 sons
And twin eight-year-old daughter means 2 daughters.
So, there are total 6 members
So, there will be four children and one wife that is 5 members who are exempted from the last year,s tax return.
Therefore, option B is correct that is 5.