A conjunctive adverb is a word that is used to connect two different clauses, which show contrast, cause-and-effect, and sequence. In the given sentence, the conjunctive adverb used is the word "besides". Other examples of conjunctive adverbs include; nonetheless, moreover, therefore, unless, in fact, in addition and on the other hand.
C- illustrate data in rows and columns
It is a complex sentence so b.
