Study the Body of Each of the Following Paragraphs

Multiple Choice

Study the body of each of the following paragraphs. Then, select the letter of the topic sentence that is most accurate. Select the best topic sentence for the paragraph.
For example, a substance in chocolate is a cardiac stimulant that can increase a dog's heart rate and cause it to beat irregularly. Dogs that eat large quantities of chocolate may even die. Onions and garlic, too, contain an ingredient that is toxic to dogs. Onion poisoning causes the dog's red blood cells to burst while they circulate in its body. Vomiting and diarrhea will be followed by breathlessness as the dog's blood loses its ability to carry oxygen. Another toxic food is macadamia nuts, which can cause muscle weakness and pain in a dog's limbs. Other potential hazards for dogs include broccoli, raisins, grapes, potato peelings, and yeast dough.

A) Several common foods are actually quite poisonous.
B) Certain foods are toxic to dogs.
C) Pets have serious reactions to people foods.