Which of the following statements is/are correct?
(i) The hump of camel is used for storing water.
(ii) Red-eyed frog has developed sticky pads on its feet to help it climb trees.
(iii) The large beak of toucan helps it to reach the fruits and nuts which are not accessible to other animals.
(iv) Large and wide paws of polar bear help it to walk easily on snow.
A(i) only
B(i), (ii) and (iii) only
C(ii), (iii) and (iv) only
D(i) and (ii) only