I believe that few people were able to save enough money for retirement
An adjective clause always comes before the word it modifies.
For example: RED rose
the word 'red' describes what the rose looks like.
For another example: TALL building. The word 'tall' tells us how big or small the building is. Therefore, the adjective clause always comes before the word if modifies
C.
<span>Bev doesn’t like Herb talking to Millicent.</span>
It is a sentence because it states the point firmly while a run-on sentence will continue to go on not making a point at all