Read the following passage and mark the letter A, B, C, or D on your answer

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
The first thing that is included in the "living together” (23) .................. is the expected good relations with your family. This also involves sharing equally the housework. Lots of people think that everyone should share the housework (24) .................. , but in many homes parents do most of it. To certain minds, many families can't share the housework whereas they should try it. In fact, sharing the housework equally is not very possible because of the families' timetable. So, it is somehow believed that children and parents must do things together. For this they can establish a housework planning.
(25) .................. , housework's contributions of the teenager make him more responsible. He will think that he has an important role in his family. According to researchers, teenagers should share the housework because (26) .................. will help them when they have to establish their own family in the future. Too many teenagers and young adults leave home without knowing how to cook or clean, but if parents delegate basic housework to teens as they are old enough to do it, they won't be destabilized by doing the housework in their new grown-up life.
It can be (27) .................. .. concluded that many parents don't really prepare their children for future, because they don't stimulate them to learn how to run a house. If parents get them responsible, teens will be more responsible and that will improve family's life.
(Source: https://www.sciencedaily.com/releases/2013)