The equal dimensions of a body on all sides are referred as nature of artwork that can be observed in many different angles.
For example, the first deuterostomes, echinoderms (phylum Echinodermata) are marine animals. At the larval stage, they are bilaterally symmetrical i.e. equal to see on all angles, but as they grow adults, become radially symmetrical.
The other words are “colorful” or “whimsical” are not representing any kind of dimensions of an artwork.
Thus, the options (a), (d) and (b) are incorrect.
The equal dimensions of a body on all sides are referred as nature of artwork that can be observed in many different angles.
Therefore, the correct option is – c. equal on all sides