The answer is definitely D, because it contains two independent clauses that are joined together without a comma or conjunction. (An independent clause just means a chunk of language that has both a subject and a verb and could be a complete sentence on its own.)
The correct answer should be
B. The Western Pacific region will have fewer cases of hepatitis B than the African region.
I hope i didn’t miss anything but here are the edits!
shopping on the internet is an increasingly popular way of buying just about anything imaginable, from anywhere in the world, day or night.
