The correct answers are B. Conversing with family and C. Conversing with friends
Explanation:
Informal language or informal level of language refers to the type of language use in informal or spontaneous situations that allow inconsistencies in grammar, contractions, use of slangs or colloquial words or use of language that is not perfect. This type of language is used with people we know well or in informal contexts this includes speaking to friends and family. On the opposite in academical contexts such presentations in class, speaking to your teacher or in the case of job context such as interviews, speaking to your boss or applying to a job formal language is used. Therefore, the situation in which you would use the informal level of standard English usage is conversing with family and conversing with friends.
