"Marjorie turns to the fish, They swim slickly backwards and forwards in the bright heaven of their tanks:'white gravel,silver bubbles,green weed and the iridescence of their scales.They cheer her. How much more beautiful fish are than people, she thinks for the thousandth time.No ungainliness,no filth;no stupidity." Based on Lesley Glaister's "Serrusalmus", New Writing, in the passage above, the fish are better than people because they are
A. more radiant B. more colourful C. less awkward D. less scheming