Which category of writing does. the review Belong to

A．He is quite experienced in running organisations.
B．He is against the traditional way of running businesses.
C．He was quite familiar with the topic of hierarchy.
D．He began to work for large companies after his business closed down.

A．Hierarchy is not the only way.
B．Many companies have found other alternatives.
C．It will take a long time to change the existing structure.
D．Heterarchy seems to be better than responsibly autonomy.