Economic question (f.4)

C. More diffi. to transfer ownership
It depends on the nature of the business, If it is compared with listed company, It is no doubt that Its transfer is more difficult.
If using partnership to do the comparsion, It is 50/50.
Sole Proprietorship can only transfer though a very long and complicated process.
Right, it is "more" difficult

A.No division of labour
It depends on the managerial style of the owner, the owner can pass the work to the emplyee that he employed.
In your teacher's attitude, I think her answer come from This reason.

For the second question,
Listed company is equal public limited company.
Listed company is the company which the share are transfered in the listed market(Share market)

But in the en.wikipedia.org/wiki 's denfination, Listed Company only means the Stock Market.
But in COMMERCE, They are the same.

I think it is A.
Listed company must be a public limited company. To be a listed company in Hong Kong, the company has to submit a prospectus to the Registrar of Companies and needs the approval of the Exchange and Clearing Ltd.