Which statement offers the most likely explanation of why the long-form version of the periodic table is seldom used?

A The elements in the separate group are so rare that they do not occur in nature.
B The elements in the separate group have very little in common with one another.
C The long-form version no longer keeps the elements in order of increasing atomic number.
D The long-form version is too wide to easily fit on a computer screen or sheet of paper.