Formal language is also called "proper language" because it is the type of language you would use when first meeting someone or giving a speech at a high class place so the correct answer is:
<span>B) Have I convinced you that the study of grammar is important and well worth your effort? </span>
Answer:
Yes, the term, 'their immediate concern was to save Lucas from the jaws of death' would be figurative speech because Lucas is <em>not</em> actually going to die by getting eaten. It is a metaphor.
Please paraphrase just in case.
Hope this helps!
Women is the correct answer