Problem: Read the following paragraph and decide which sentence best expresses the topic or controlling idea (A) In Chinese families in new Hong Kong, both wife and husband usually work outside the home. (B) Yet, they still preserve traditional roles within their family. (C) The wife will usually see to the meals and cleaning, and the children are her special concern. (D) In contrast, the husband makes the major decisions, such as what schools the children will attend and what family investments should be made. (E) Thus, the Hong Kong family combines both old and new in its lifestyle.