Yes
It doesn't matter how many syllables as long as the word makes since
C. It typically has multiple themes that are explored more deeply.
Novels tend to explore deep human relationships and have multiple
characters. Novels are lengthy and often organized into chapters that
can not be easily read in one sitting. There may be numerous plots or
only one.
I think it's not valid because it doesn't say everything with six legs is an insect. As it is, the banquet table and insects just share a common trait. So, I would add that "Everything with six legs is an insect" before claiming that "the banquet table is an insect".
The error that makes the sentence wrong is the word of "Although." It makes the sentence like a fragment. It looks like it need another clause to make it a complete one.
B) probably. I hope this helps :)