Find out what you want your job to be and what your interests are.
I would say this is a complex sentence. Because it has one independent clause(their more aggressive style did not pay of.) and two dependent clauses.
B
because A is a simile
c and d don't really fit, plus I know for a fact is it b.
Answer:
C
Explanation:
Statistics back up what the author is trying to say, the other stuff does not