At a pet store, the lizards in aquarium A have a mean length of 13 cm and vary from 9 cm to 15 cm. In aquarium B, the lizards have a mean length of 15 cm and vary from 14 cm to 17 cm. Which statement BEST compares the lizards in the two aquariums?

Responses
A The lizards in aquarium B vary in length more than the lizards in aquarium A.The lizards in aquarium B vary in length more than the lizards in aquarium A.
B Half of the lizards in aquarium A are 14 cm to 15 cm long.Half of the lizards in aquarium A are 14 cm to 15 cm long.
C There are more lizards in aquarium A than in aquarium B.There are more lizards in aquarium A than in aquarium B.
D On average, the lizards in aquarium B are longer than the lizards in aquarium A.

D On average, the lizards in aquarium B are longer than the lizards in aquarium A.