Câu 6 Researchers looked at the language in the messages and also the most popular topics for messages from over 75,000 people. They found some big differences between men and women. Women use more adjectives and phrases for feelings, for example: 'excited', 'wonderful' and 'love you'. They often talk about family and friends. According to the passage, what did researchers look at? A The phones people use to send messages B The language and the topics of messages C The feelings in messages D The number of people who send messages