Read the paragraph below. Carefully consider the questions that follow and choose the letter of the best response.

1) Single, divorced, or widowed adults usually live either alone or with other family members. 2) The idea of two unmarried adults joining forces in one household is one that has been too little explored in our society. 3) When two divorced mothers and their children live together, everyone benefits. 4) The adults can offer each other emotional support and practical assistance that isn’t available in a single-parent household. 5) The arrangement has similar advantages for unmarried or widowed persons. 6) They can share expenses and household tasks while providing companionship for one another. 7) Our commission should encourage such relationships by setting up a clearinghouse in which people can seek housing partnerships.

The primary purpose of this paragraph is to...