6. Jungen finden technische Berufe...

Explanation:

This sentence fragment is about boys finding technical professions...

Options:

• a) attraktiven (attractive - adjective, genitive/accusative plural/singular)
• b) attraktiv (attractive - adjective, nominative/accusative singular)
• c) attraktive (attractive - adjective, nominative/accusative plural)

Answer:

The most likely completion is: Jungen finden technische Berufe b) attraktiv. (Boys find technical professions attractive.)