Pretty sure it's the fact that something exists
I believe it's B. Carefree days of a happy childhood
has at least two parts, either one of which can stand by itself (in other words, two independent clauses), but the two parts have been smooshed together instead of being properly connected. Review, also, the section which describes
It seems the second answer you have provided for this question is the best fit for what the question is specifically asking. Have a great day!
