The best option to this answer is B <span>Carl is tall; his brother is short.
</span>A semicolon is often used to merge two independent clauses (or two complete thoughts). [ex. my cat has brown fur; my dog has white fur.]
8.loudly
9.on the shore
10.down
11.taste
Depends. Sometimes they might ask you what is the protagonist thinking or how are the other characters coping with the situation.