Which option best completes the paragraph below? ...

Which option best completes the paragraph below?

What is Marine Engineering?

About a century ago no one______about a marine engineer, but today it ______as established as any other famous ones. Over the last 100 years, engineering as a field of study ______ and diversified far beyond what ______imagined prior to this period. Not only this, it has also branched out into various specialized fields that ______ great progress. Most of these new fields are aligned to any of the basic engineering branches like mechanical, electrical, civil, electronics, computers etc and have something or the other incorporated from them. One such branch is called marine engineering.

(Adapted from http: / / www. marineinsight. com / careers)