The most accurate way to describe the excerpt is to choose the option - it is a dependent clause. This means that something needs to be added - you need to finish the sentence so that it becomes an independent clause, and not a subordinate one.
Answer: The possible answer could be C "ive spoken two languages fluently for many years and have seen the benefits in my life."
The answer would be B. cause to become seen. This is the correct answer because the definition of captivate is to attract or hold interest.
I hope this helps!
Could I have more information please or is that the full question