Answer: B. she did not emphasize clear, familiar language
Step-by-step explanation:
Clear language is the language which as clarity and easily understandable trait for speaker as well as listeners. Familiar language is the language that is common among people and they know about the language .These traits help in easy and effective communication.
According to the question, Vanessa chose more complex words and language for giving speech which might be difficult for audience.She should have chosen a familiar language that has more clarity and understandable factor among people in audience so that they can relate with value and meaning of speech.