It is a simple sentence because it has one subject and one predicate.
All of the answers above are correct except:
<span>d. increased productivity
</span>
When long-term stress strikes, a person may feel the negative symptoms of the disorder which are evidenced by all of the three answers; whereas the last answer seems to be a positive effect.
I think that it might be c natural gas but I might be wrong
I believe the quotation you provided should say "best" instead of "test" as there is a famous quotation by Thomas Tusser that reads as follows: "Seek home for rest, for home is best." This quotation could mean many things to many people. One possible meaning/interpretation of this quotation is that people often find comfort at home, and for the optimal rest, the prime place that should be sought is where one dwells or the house within which one grew up.