We Can Refer to Birds as "Living Dinosaurs" Because

We can refer to birds as "living dinosaurs" because

A) birds are descendants of a lineage of dinosaurs.
B) all dinosaurs had feathers as well as scales.
C) birds lay amniote eggs, just as dinosaurs did.
D) dinosaurs had jointed appendages just as birds do.
E) birds are triploblastic, just as dinosaurs were.