<em>Answer:</em>
<em>dyad </em>
<em>Explanation:</em>
<em>In sociology, </em><em>a dyad group is described as a group that contains only two member or people and is considered as the smallest social group that is being possible so far. However, according to many sociologists, the pair of individuals who are involved in a dyad group is said to be linked through "romantic interest, work, partners in crime, family relations, some other interests, and so on".</em>
<em>As per the question, the statement signifies a dyad group. </em>
Ill say it's A.most city planners did nothing about it
