3. Joe wants to form his own business. He wants to get started as quickly and inexpensively as possible and has a strong desire to control the business himself. He is confident he will be successful and wants to keep all the profits himself.  He would probably choose to operate his business as a(n):
选项：

A:a) limited partnership.
B:b) limited liability company..
C:c) franchise.
D:   d) sole proprietorship