Generally Speaking It Not True to Say That

Generally speaking it not true to say that:

A) Shareholders in listed companies have more extensive voting rights than those in unlisted companies.
B) Shareholders in public companies have more extensive rights than those in proprietary companies.
C) Shareholders in proprietary companies have more extensive rights than those in listed companies.
D) Shareholders in public companies always have the right to appoint and remove directors whereas those in proprietary companies may not always have that right.