B. Members of all social classes saw plays.
Elizabethan drama was not during the same time period as tv, radio, or movies. This eliminates options A and D immediately. Option B and C contradict each other. In Elizabethan drama all social classes saw plays. The wealthy people would have seats in balconies. The lower class would stand on the floor right in front of the stage.
A search engine is a program that searches/identify items in a database which corresponds to keywords specified by the user. A meta search engine is an online information retrieval tool that uses data of a web (search English) and that makes its own results. A subject directory is a service which offers a collection of links to the internet which is posted by creators. Hope this helped!