What is the difference between a proprietary company limited by shares and a public company limited by shares?

A.A proprietary company must always include the words "Proprietary Limited" or the abbreviation "Pty Ltd" after its name.

B.A proprietary company cannot have more than 50 non-employee shareholders.

C.A public company is permitted to raise funds from the public.

D.Public companies must have a secretary.

E.A proprietary company can have a single director.

a. B only.

b. A and C.

c. C, D and E.

d.A, B, C, D and E.