Section: Critical Reading Section 2

115) The domestic cat of which there are more than 40 breeds, is a member of the feline family.

1. cat being that there are more than 40 breeds
2. cat, of which there are more than 40 breeds
3. cat to which there belongs more than 40 breeds
4. cat, which there are more than 40 breeds of
5. cat, of which more than 40 breeds in existence

The phrase of which there are more than 40 breeds is nonessential information and should be set apart with commas on both sides. The words of which are correct in starting the phrase.