听力原文：After he qualified as a doctor, his friends set him up in a practice of his own.
What does the speaker mean?
A．He cooperated with his friends and set up a business together.
B．He was given a lot of advice by his friends in setting up his own business.
C．His friends gave him much financial support in setting up his own business.
D．His friends encouraged him to set up his own business.

A.
What
B.He
C.
B．He
D.
C．His
E.
D．His
F.