The whale shark's coloration can range from ____________ to ____________, with various patterns like a ____________ or ____________ appearance.
b. Bluish, Greyish, Checkerboard, Domino
d. Blackish, Whiteish, Spiral, Lined
a. Greenish, Yellowish, Zigzag, Dotted
c. Reddish, Brownish, Striped, Spotted