The research team suggests that the modem humans in Africa were modem in terms of ______.

A．He has decided how to spend the prize money.
B．He doesn’t know how much his rent is going to be increased.
C．He’s already planned to take part in next year’s essay contest.
D．He has already paid his landlord for next year’s rent.

A．It was born in New York.
B．It is a kind of music as a style of playing.
C．Hearing jazz, people want to dance to the music.
D．It is played with strong beat.