Which of the Following Was Commonly Needed for Gardeners to Start

Which of the following was commonly needed for gardeners to start their own route and to open up their own independent operations?

A) Relatives or friends who wanted to downsize their businesses or get rid of low-paying customers would give them some of their clients.
B) They would borrow money from banks to get the needed capital to start their businesses.
C) Their wives often worked as domestics or nannies in the Los Angeles suburbs, and through word of mouth, were able to find jobs for their husbands as gardeners.
D) They began work as farmers for giant agricultural conglomerates, get a good reference from their supervisors after several years, and then go out on their own.