Multi-select problem: How does the next paragraph end?

How to know if your dog has cancer
Check your dog over regularly for lumps and bumps on the skin's surface or just under the skin.
The goal here is early detection of any tumors that could be associated with cancer. Grooming your dog is a great chance to become familiar with what's normal for its body.

Options are: a). These lumps or bumps could indicate carpal tunnel syndrome or other serious diseases that may be responsible for the development of cancer. Consult your vet before you decide to groom your dog. b). Dogs have enlarged and thickened glands around their genital area and they wear old blood vessels or ducts. This constricts their tissue and causes them to widen or close their pores. c). Don't panic if you find a lump. The lump could be a wide variety of things, from a harmless spot or mole to a more serious, aggressive cancer. d). Walking your dog regularly is also a great way to get to know your dog, as its body will respond to human grooming more readily. Take your dog to the vet every six to eight weeks.
c).