(7) Such injuries are more often fatal to the cat than to the visitor since most states require the animal to be killed and tested for rabies that the victim refuses to take precautionary rabies vaccination shots..

Look at the underlined section marked (7). Choose the answer that best corrects this sentence, if appropriate.
A) Correct as is.
B) Such injuries are more often fatal to the cat than to the visitor, since most states require the animal to be killed and tested for rabies if the victim refuses to take precautionary rabies vaccination shots.
C) Such injuries are more often fatal to the cat than to the visitor since most states require the animal to be killed and tested for rabies because the victim refuses to take precautionary rabies vaccination shots.
D) Such injuries are more often fatal to the cat than to the visitor since most states require the animal to be killed and tested for rabies although the victim refuses to take precautionary rabies vaccination shots.

B). Such injuries are more often fatal to the cat than to the visitor, since most states require the animal to be killed and tested for rabies if the victim refuses to take precautionary rabies vaccination shots.

Explanation:

As per the question, option B most appropriately revises the given sentence as it is correctly punctuated which appropriately marks the pause that helps convey a clear and coherent thought. The given sentence does not include a punctuation mark which puzzles the meaning of the sentence and misleads the readers. The use of comma(,) after the introductory clause 'such injuries.....visitor' hints the readers about the structural formation of the sentence and conveys the intended meaning appropriately. Thus, option B is the correct answer.