In paragraph 2,"thc most important four" refers to______.

A．"a force that can be both good and bad"
B．"very strong loyalty to one's ethnic group"
C．"tribal loyalty may mean a quick promotion"
D．it is important to be loyal to one' s own tribal group

A．Modern African politicians approve of tribal divisions.
B．A person is usually taken care of by his own tribe.
C．Africans consider it an obligation to give a job to a fellow tribesman.
D．Tribalism is still a powerful force in day - to - day African lif