Choose the alternative which suggests a coherent paragraph.
A. The quintessence, for example, a lizard is only fully understandable in the light of the particular possibilities and limitations dictated by its reptilian nature.
B. The films we made, tried to document the lives of particular animals showing how each found its food, defended itself and courted etc
C. We seldom examined the basic character of its anatomy.
D. One element, however, was missing.