A string is read from input into variable new_animal. Add new_animal to animals_selected. Then, assign num_animals with the number of elements in animals_selected.
(a) Read the string into new_animal, append it to animals_selected, and count the number of elements in animals_selected.
(b) Read the string into new_animal and assign it to num_animals.
(c) Count the number of characters in new_animal and assign it to num_animals.
(d) None of the above.